Cornea Thesis Topics for MS Ophthalmology/DNB Ophthalmology
This page brings together cornea thesis topics for MS Ophthalmology across microbial keratitis, keratoconus, dry eye disease, corneal endothelium, trauma, scars, dystrophies, contact lens assessment, pterygium and corneal imaging. The topics are intended for MS Ophthalmology residents and are framed around designs that can usually be completed within one thesis period using routine ophthalmology patients, slit-lamp examination, corneal measurements, microbiology and investigations already available in a teaching hospital. The strongest corneal disease research topics for MS Ophthalmology define the eye-level unit of analysis, standardise measurement conditions and use an appropriate clinical or laboratory reference standard. Once a topic is shortlisted, the MS Ophthalmology cornea protocol and MS Ophthalmology cornea synopsis should be built around the exact disease definition, measurement method, follow-up window and feasible statistical plan.
Last reviewed and updated: September 2026 · 2026–27 admissions
Microbial Keratitis
Clinical and microbiological profile of patients with smear-positive or culture-positive microbial keratitis presenting to a tertiary teaching hospital, and association of presenting risk factors with corneal ulcer size at initial examination: a hospital-based cross-sectional analytical study.
Diagnostic accuracy of direct potassium hydroxide wet mount examination compared with fungal culture as the reference standard in patients with clinically suspected fungal keratitis, using microbiological confirmation during the initial diagnostic evaluation: a prospective diagnostic accuracy study.
Diagnostic accuracy of Gram-stained corneal scraping compared with bacterial culture as the reference standard in patients with clinically suspected bacterial keratitis, using pathogen detection during the initial presentation: a prospective diagnostic accuracy study.
Association of agricultural ocular injury, plant or soil exposure, and delayed presentation with microbiologically confirmed fungal keratitis among adults with infective corneal ulceration: a hospital-based case-control study using microbiological diagnosis at presentation.
Correlation of presenting corneal infiltrate diameter and stromal depth on slit-lamp examination with best corrected visual acuity at six weeks in patients receiving standard treatment for microbiologically confirmed infective keratitis: a prospective observational study.
Association of symptom-to-presentation interval with corneal perforation or descemetocele at initial examination among patients with microbial keratitis presenting to a tertiary care centre: a cross-sectional analytical study.
Comparative clinical characteristics and six-week visual outcomes of culture-positive bacterial keratitis and culture-positive fungal keratitis among adults receiving standard antimicrobial therapy: a prospective comparative observational study.
Diagnostic accuracy of predefined slit-lamp clinical features for differentiating fungal from bacterial keratitis, using corneal scraping microscopy and culture as the reference standard at presentation: a prospective diagnostic accuracy study.
Association of prior topical corticosteroid use with infiltrate size, stromal depth, and presenting visual acuity among patients with microbiologically confirmed microbial keratitis: a hospital-based cross-sectional analytical study.
Association of unsupervised topical antimicrobial treatment before referral with culture positivity and corneal infiltrate size among patients presenting with infective keratitis: a cross-sectional analytical study performed at first tertiary hospital evaluation.
Clinical profile and six-week visual outcome of microbial keratitis following vegetative ocular trauma compared with microbial keratitis without vegetative trauma: a prospective comparative observational study in adults receiving standard treatment.
Association of diabetes mellitus with presenting corneal ulcer size, hypopyon frequency, and six-week best corrected visual acuity among adults treated for microbiologically confirmed microbial keratitis: a prospective observational analytical study.
Correlation of anterior chamber reaction graded by slit-lamp biomicroscopy with corneal infiltrate area and presenting visual acuity in patients with active microbial keratitis: a hospital-based cross-sectional correlation study.
Inter-observer agreement between ophthalmology residents and cornea specialists for slit-lamp grading of infiltrate size, stromal depth, epithelial defect, and hypopyon in patients with active microbial keratitis: a prospective observer-agreement study.
Association of referral pathway from primary or secondary care with presentation delay, prior inappropriate medication use, and corneal ulcer severity among patients with microbial keratitis: a hospital-based cross-sectional analytical study.
Microbiological spectrum and antimicrobial susceptibility pattern of culture-positive bacterial keratitis among patients undergoing corneal scraping at a tertiary teaching hospital: a retrospective record-based observational study of isolates obtained during the preceding two years.
Seasonal variation in microbiological type, agricultural injury history, and presenting severity of microbial keratitis among patients attending a tertiary care hospital: a retrospective record-based observational study comparing monsoon, post-monsoon, winter, and summer presentations.
Association of contact lens wear with organism profile, central infiltrate location, and presenting visual acuity among patients with microbiologically confirmed microbial keratitis: a hospital-based cross-sectional analytical study.
Predictors of failure to attend scheduled follow-up within two weeks among patients initiated on treatment for microbial keratitis, assessing socioeconomic, travel, referral, and clinical factors: a prospective observational study.
Correlation of time from symptom onset to initiation of appropriate organism-directed therapy with best corrected visual acuity at six weeks among patients with microbiologically confirmed microbial keratitis: a prospective observational analytical study.
Keratoconus and Corneal Ectasia
Correlation of maximum keratometric curvature measured by corneal topography with best corrected visual acuity and manifest refractive cylinder in patients with treatment-naive keratoconus: a hospital-based cross-sectional analytical study.
Association of habitual eye rubbing with topographic keratoconus severity among adolescents and young adults with newly diagnosed keratoconus: a cross-sectional analytical study using maximum keratometric curvature and thinnest corneal pachymetry at presentation.
Association of allergic eye disease with bilateral asymmetry of keratoconus severity among patients aged ten to thirty years with topographically confirmed keratoconus: a hospital-based cross-sectional analytical study.
Diagnostic accuracy of retinoscopic scissoring reflex for detecting topographically confirmed keratoconus among patients with unexplained astigmatism, using corneal topography as the reference standard during the same visit: a prospective diagnostic accuracy study.
Diagnostic accuracy of slit-lamp signs including Vogt striae, Fleischer ring, and corneal thinning for identifying moderate-to-severe keratoconus, using corneal topography as the reference standard: a prospective diagnostic accuracy study.
Correlation of central and thinnest corneal pachymetry with maximum keratometric curvature in patients with topographically confirmed keratoconus: a hospital-based cross-sectional correlation study performed before any corneal intervention.
Comparative corneal topographic and refractive characteristics of unilateral clinically apparent keratoconus and the apparently unaffected fellow eye: a comparative cross-sectional study assessing keratometric curvature, pachymetry, astigmatism, and best corrected visual acuity.
Association of age at diagnosis with maximum keratometric curvature, thinnest pachymetry, and best corrected visual acuity in treatment-naive keratoconus: a hospital-based cross-sectional analytical study.
Correlation of keratoconus severity on corneal topography with self-reported visual function measured using the National Eye Institute Visual Function Questionnaire at presentation: a cross-sectional correlation study.
Inter-observer agreement between ophthalmology residents and cornea specialists for clinical grading of keratoconus severity, using corneal topographic severity classification as the reference comparator during the same visit: a prospective observer-agreement study.
Agreement between manual keratometry and automated keratometry for measuring flat and steep corneal curvature in patients with mild-to-moderate keratoconus: a prospective device-agreement study using measurements obtained during the same examination.
Agreement between ultrasound pachymetry and topography-derived central corneal thickness in patients with keratoconus: a prospective device-comparison study assessing mean difference, limits of agreement, and repeatability during a single visit.
Correlation of spherical equivalent refractive error with topographic corneal curvature and thinnest pachymetry among patients with keratoconus: a hospital-based cross-sectional analytical study performed before contact lens fitting or corneal intervention.
Association of family history of keratoconus with age at presentation, bilateral disease severity, maximum keratometric curvature, and corneal thickness among newly diagnosed patients: a cross-sectional analytical study.
Comparative corneal topographic characteristics of patients with keratoconus who report frequent eye rubbing and those who deny eye rubbing: a cross-sectional comparative study assessing curvature asymmetry and thinnest pachymetry.
Association of vernal keratoconjunctivitis severity with corneal topographic abnormalities suggestive of keratoconus among children and young adults: a hospital-based cross-sectional analytical study using corneal topography during active or quiescent disease.
Diagnostic yield of corneal topography among patients aged ten to thirty years presenting with progressive astigmatism or repeated spectacle power change but no obvious slit-lamp signs of keratoconus: a prospective cross-sectional study.
Intra-observer repeatability of maximum keratometric curvature and thinnest pachymetry obtained by corneal topography in patients with keratoconus: a prospective reliability study using repeated measurements during the same visit.
Correlation of topographic cone location with manifest refractive astigmatism axis and best corrected visual acuity in patients with keratoconus: a hospital-based cross-sectional analytical study.
Six-month change in maximum keratometric curvature, thinnest pachymetry, and best corrected visual acuity among adolescents with newly diagnosed keratoconus managed according to routine clinical practice: a prospective short-term observational study.
Dry Eye Disease
Prevalence and severity of dry eye disease among adults attending a tertiary ophthalmology outpatient department, using symptom assessment and tear film breakup time with ocular surface staining at the initial visit: a hospital-based cross-sectional study.
Correlation of Ocular Surface Disease Index symptom score with tear film breakup time, Schirmer test values, and corneal fluorescein staining among patients with clinically diagnosed dry eye disease: a cross-sectional analytical study.
Association of prolonged daily digital screen exposure with tear film breakup time and Ocular Surface Disease Index score among college students and young adults: a hospital-based cross-sectional analytical study.
Comparative dry eye parameters among postmenopausal women and age-matched premenopausal women without systemic autoimmune disease, assessing symptoms, tear film breakup time, Schirmer test, and corneal staining during the same visit: a comparative cross-sectional study.
Association of ambient dust exposure among outdoor workers with dry eye symptoms, tear film breakup time, and corneal fluorescein staining compared with indoor workers: a comparative cross-sectional analytical study.
Association of household biomass fuel exposure with dry eye symptoms and objective tear film abnormalities among adult women, compared with women using cleaner cooking fuels: a community-linked comparative cross-sectional study.
Association of diabetes mellitus duration and glycaemic control category with dry eye symptoms, Schirmer test values, tear film breakup time, and ocular surface staining: a hospital-based cross-sectional analytical study.
Diagnostic accuracy of Ocular Surface Disease Index symptom scoring for clinically diagnosed dry eye disease, using combined tear film breakup time and ocular surface staining criteria as the reference standard: a prospective diagnostic accuracy study.
Agreement between Ocular Surface Disease Index symptom severity and objective severity based on tear film breakup time and corneal fluorescein staining in adults with suspected dry eye disease: a cross-sectional agreement study.
Association of meibomian gland dysfunction severity with tear film breakup time, corneal staining, and dry eye symptom score among adults presenting with evaporative dry eye disease: a hospital-based cross-sectional analytical study.
Inter-observer agreement between ophthalmology residents for grading corneal fluorescein staining using the Oxford grading scheme in patients with dry eye disease: a prospective observer-agreement study using independent same-visit assessments.
Intra-observer repeatability of tear film breakup time measured on three consecutive examinations among patients with symptomatic dry eye disease: a prospective reliability study assessing within-session variability.
Comparative dry eye parameters among habitual motorcycle riders regularly exposed to traffic pollution and adults with predominantly indoor occupations, assessing symptoms, tear film breakup time, Schirmer test, and corneal staining: a comparative cross-sectional study.
Association of topical antiglaucoma medication burden with Ocular Surface Disease Index score, tear film breakup time, and corneal staining in patients receiving long-term glaucoma therapy: a hospital-based cross-sectional analytical study.
Comparative ocular surface status in patients using preserved topical antiglaucoma medications and treatment-naive glaucoma patients, assessing symptom score, tear film breakup time, Schirmer test, and corneal staining during the same visit: a comparative cross-sectional study.
Association of refractive error category and daily smartphone use with dry eye symptoms and tear film breakup time among adolescents and young adults: a hospital-based cross-sectional analytical study.
Correlation of Schirmer test values with tear film breakup time and corneal fluorescein staining in patients with clinically diagnosed aqueous-deficient dry eye disease: a cross-sectional correlation study.
Association of season with dry eye symptom severity and tear film breakup time among patients attending an ophthalmology outpatient department, comparing summer, monsoon, post-monsoon, and winter presentations: a prospective repeated seasonal cross-sectional study.
Short-term change in Ocular Surface Disease Index score, tear film breakup time, and corneal staining four weeks after routine lubricating therapy in patients with newly diagnosed mild-to-moderate dry eye disease: a prospective observational study.
Association of sleep duration and late-night digital device use with dry eye symptoms, tear film breakup time, and Schirmer test values among medical students: a cross-sectional analytical study.
Corneal Endothelium and Specular Microscopy
Correlation of corneal endothelial cell density measured by specular microscopy with age among adults without corneal disease, previous intraocular surgery, glaucoma, or diabetes mellitus: a hospital-based cross-sectional analytical study.
Comparative corneal endothelial cell density, coefficient of cell-size variation, and percentage of hexagonal cells in patients with diabetes mellitus and age-matched adults without diabetes mellitus: a comparative cross-sectional study.
Association of diabetes mellitus duration with corneal endothelial cell density, coefficient of cell-size variation, and percentage of hexagonal cells among patients without previous intraocular surgery: a cross-sectional analytical study.
Correlation of central corneal thickness with endothelial cell density and cellular morphology in adults undergoing routine ophthalmic evaluation without clinically evident corneal disease: a hospital-based cross-sectional analytical study.
Comparative preoperative and three-month postoperative corneal endothelial cell density in patients undergoing uncomplicated phacoemulsification for age-related cataract, stratified by preoperative cataract nuclear hardness: a prospective observational study.
Association of cumulative ultrasound energy during uncomplicated phacoemulsification with percentage endothelial cell loss at three months in patients with age-related cataract: a prospective observational analytical study.
Comparative three-month endothelial cell loss after uncomplicated phacoemulsification in patients with diabetes mellitus and patients without diabetes mellitus undergoing surgery for age-related cataract: a prospective comparative observational study.
Correlation of anterior chamber depth measured by optical biometry with endothelial cell loss three months after uncomplicated phacoemulsification in patients with age-related cataract: a prospective observational analytical study.
Association of preoperative endothelial cell density with central corneal thickness at one week and one month after uncomplicated phacoemulsification for age-related cataract: a prospective observational study.
Intra-observer repeatability of endothelial cell density, coefficient of cell-size variation, and percentage of hexagonal cells measured by non-contact specular microscopy in healthy adults: a prospective reliability study using repeated same-visit measurements.
Inter-observer agreement for endothelial cell density obtained by automated and manual cell selection methods on specular microscopy in patients undergoing preoperative cataract evaluation: a prospective agreement study.
Comparative endothelial cell density and morphology in eyes with primary angle closure disease and age-matched eyes without glaucoma, assessed by specular microscopy during the same visit: a comparative cross-sectional study.
Association of duration and number of topical antiglaucoma medications with endothelial cell density among patients with medically treated glaucoma and no previous intraocular surgery: a hospital-based cross-sectional analytical study.
Comparative endothelial cell density and central corneal thickness in patients with pseudoexfoliation syndrome and age-matched controls undergoing cataract evaluation: a comparative cross-sectional study using specular microscopy and pachymetry.
Association of contact lens wearing duration with endothelial cell density and cellular morphology among soft contact lens users compared with non-users of similar age: a comparative cross-sectional analytical study.
Correlation of endothelial cell density with best corrected visual acuity and central corneal thickness among patients with clinically diagnosed Fuchs endothelial corneal dystrophy: a hospital-based cross-sectional analytical study.
Inter-eye agreement of corneal endothelial cell density and morphology among adults without ocular disease, using bilateral specular microscopy during a single visit: a cross-sectional agreement study.
Comparative endothelial cell loss three months after uncomplicated phacoemulsification in eyes with shallow versus normal anterior chamber depth: a prospective comparative observational study using preoperative and postoperative specular microscopy.
Association of prolonged surgical time with endothelial cell loss at three months after uncomplicated phacoemulsification for dense age-related cataract: a prospective observational analytical study.
Correlation of postoperative central corneal thickness at one week with endothelial cell loss at three months in patients undergoing uncomplicated phacoemulsification for age-related cataract: a prospective observational study.
Corneal Trauma and Chemical Injury
Clinical profile and visual outcome at six weeks among adults presenting with traumatic corneal abrasion from occupational, agricultural, household, or road traffic injury: a prospective observational study assessing presenting defect size and subsequent best corrected visual acuity.
Association of time from corneal foreign-body injury to ophthalmic presentation with epithelial defect size, stromal infiltrate, and presenting visual acuity among patients with superficial corneal foreign bodies: a cross-sectional analytical study.
Clinical characteristics and six-week visual outcomes of metallic versus non-metallic superficial corneal foreign bodies in occupational injuries: a prospective comparative observational study evaluating epithelial healing and best corrected visual acuity.
Association of protective eyewear use with corneal injury severity among industrial and construction workers presenting with occupational corneal foreign-body injury: a hospital-based cross-sectional analytical study.
Association of agricultural occupation and vegetative ocular trauma with development of microbial keratitis among patients initially presenting with traumatic corneal epithelial defects: a prospective observational study with four-week follow-up.
Clinical profile and three-month best corrected visual acuity after acute ocular chemical injury managed according to routine hospital protocol, stratified by presenting clinical severity: a prospective observational study.
Correlation of presenting limbal ischaemia extent with corneal epithelial healing time and best corrected visual acuity at three months among patients with acute ocular chemical injury: a prospective observational analytical study.
Association of delay in ocular irrigation after chemical exposure with presenting ocular surface injury grade and epithelial healing time among patients with acute chemical burns: a prospective observational analytical study.
Comparative clinical severity and three-month visual outcome of alkali and acid ocular chemical injuries presenting to a tertiary emergency service: a prospective comparative observational study.
Inter-observer agreement between ophthalmology residents and cornea specialists for grading acute ocular chemical injuries using a standardized clinical grading system at presentation: a prospective observer-agreement study.
Association of workplace setting with mechanism, protective equipment use, and presenting severity of corneal injuries among patients with occupational ocular trauma: a hospital-based cross-sectional analytical study.
Clinical profile and six-week visual outcome of corneal injuries associated with road traffic accidents among patients without open-globe injury: a prospective observational study assessing epithelial defects, stromal involvement, and best corrected visual acuity.
Diagnostic accuracy of bedside fluorescein examination for detecting corneal epithelial defects in patients with ocular trauma, using slit-lamp cobalt-blue examination as the reference standard during the same emergency visit: a prospective diagnostic accuracy study.
Correlation of traumatic corneal epithelial defect area at presentation with complete epithelial healing time among patients managed with standard topical therapy: a prospective observational analytical study with follow-up until healing or two weeks.
Association of topical traditional or non-prescribed medication use after ocular trauma with infective corneal ulceration at presentation among adults with corneal injury: a hospital-based case-control study.
Clinical profile and six-week outcome of corneal rust-ring injuries following metallic foreign bodies, assessing initial stromal involvement and final best corrected visual acuity: a prospective observational study.
Association of presentation delay with corneal stromal scar formation at six weeks among patients treated for traumatic corneal epithelial defects without initial microbial keratitis: a prospective observational analytical study.
Comparative epithelial healing time and six-week visual outcome in traumatic corneal abrasions caused by vegetative material versus non-vegetative objects: a prospective comparative observational study under routine clinical treatment.
Association of injury during manual agricultural work with corneal foreign-body depth and risk of secondary microbial keratitis compared with non-agricultural occupational injuries: a prospective observational analytical study with four-week follow-up.
Predictors of follow-up default within two weeks among patients treated for occupational corneal injuries, evaluating distance from hospital, symptom improvement, socioeconomic factors, and presenting injury severity: a prospective observational study.
Corneal Scars and Opacities
Clinical and aetiological profile of corneal opacity among patients presenting to a tertiary ophthalmology clinic, and association of opacity location and density with presenting best corrected visual acuity: a hospital-based cross-sectional analytical study.
Correlation of central corneal scar density graded by slit-lamp biomicroscopy with best corrected visual acuity in patients with healed microbial keratitis: a hospital-based cross-sectional correlation study.
Association of previous fungal versus bacterial keratitis with location, depth, and visual impact of residual corneal scars assessed six weeks after complete epithelial healing: a prospective comparative observational study.
Comparative visual impairment associated with central, paracentral, and peripheral healed corneal scars among patients with stable corneal opacity: a cross-sectional analytical study using best corrected visual acuity and manifest refraction at presentation.
Correlation of corneal scar diameter and proximity to the visual axis with manifest astigmatism and best corrected visual acuity among patients with healed traumatic or infective corneal scars: a cross-sectional analytical study.
Association of age at corneal injury with amblyopic visual loss among children with unilateral stable corneal opacity, using best corrected visual acuity and fellow-eye comparison at presentation: a cross-sectional analytical study.
Inter-observer agreement between ophthalmology residents and cornea specialists for slit-lamp grading of corneal scar location, density, and depth in patients with stable corneal opacities: a prospective observer-agreement study.
Comparative refractive astigmatism and best corrected visual acuity in eyes with healed traumatic corneal scars and eyes with healed post-infective corneal scars: a hospital-based comparative cross-sectional study.
Association of prior traditional eye medication use during active corneal ulceration with central corneal scarring and reduced best corrected visual acuity after healing: a retrospective record-based analytical study.
Correlation of corneal topographic irregularity with best corrected spectacle visual acuity among patients with healed central or paracentral corneal scars: a hospital-based cross-sectional analytical study.
Diagnostic yield of corneal topography for identifying irregular astigmatism among patients with visually significant healed corneal scars and unsatisfactory spectacle correction: a prospective cross-sectional study.
Association of microbial keratitis presentation delay with residual central corneal opacity and best corrected visual acuity at six weeks after healing: a prospective observational analytical study.
Comparative best corrected visual acuity and refractive astigmatism among patients with superficial stromal scars and patients with deep stromal scars following healed microbial keratitis: a comparative cross-sectional study.
Clinical profile of unilateral corneal opacity in school-age children and association of opacity cause, visual-axis involvement, and age at onset with presenting visual acuity: a hospital-based cross-sectional analytical study.
Association of socioeconomic and referral factors with severity of visual impairment among adults presenting with untreated or previously treated corneal opacity: a hospital-based cross-sectional analytical study.
Correlation of anterior stromal scar depth assessed clinically with corneal topographic irregularity and best corrected visual acuity in eyes with healed infective keratitis: a cross-sectional analytical study.
Comparative visual disability measured by the National Eye Institute Visual Function Questionnaire in patients with unilateral visually significant corneal opacity and patients with bilateral corneal opacity: a comparative cross-sectional study.
Association of central corneal scar-induced astigmatism with spectacle intolerance among adults with healed corneal opacity, assessing manifest refraction and patient-reported visual difficulty during the same visit: a cross-sectional analytical study.
Clinical profile and refractive outcome at six weeks after complete healing of traumatic corneal lacerations managed without intraocular involvement, assessing residual scar characteristics and best corrected visual acuity: a prospective observational study.
Agreement between resident and specialist assessment of whether a healed corneal opacity involves the visual axis, using standardized slit-lamp photography as the reference comparator: a prospective observer-agreement study.
Corneal Dystrophies and Degenerations
Clinical and demographic profile of patients with inherited corneal dystrophies presenting to a tertiary teaching hospital, and association of dystrophy type with best corrected visual acuity at presentation: a retrospective record-based observational study.
Correlation of central corneal thickness with best corrected visual acuity and slit-lamp severity in patients with Fuchs endothelial corneal dystrophy: a hospital-based cross-sectional analytical study.
Comparative endothelial cell density, central corneal thickness, and best corrected visual acuity in patients with Fuchs endothelial corneal dystrophy and age-matched adults without corneal disease: a comparative cross-sectional study.
Association of age and disease duration with endothelial cell density and corneal thickness among patients with clinically diagnosed Fuchs endothelial corneal dystrophy: a hospital-based cross-sectional analytical study.
Correlation of corneal guttae severity on slit-lamp examination with endothelial cell density measured by specular microscopy in patients with Fuchs endothelial corneal dystrophy: a cross-sectional correlation study.
Inter-observer agreement between ophthalmology residents and cornea specialists for clinical grading of corneal guttae in patients with suspected Fuchs endothelial corneal dystrophy: a prospective observer-agreement study using same-visit slit-lamp examinations.
Clinical profile and visual impairment associated with lattice, granular, and macular corneal dystrophies among patients attending a tertiary cornea clinic: a comparative cross-sectional study using best corrected visual acuity at presentation.
Association of central versus peripheral distribution of stromal deposits with best corrected visual acuity among patients with clinically diagnosed stromal corneal dystrophies: a hospital-based cross-sectional analytical study.
Correlation of corneal topographic irregularity with best corrected visual acuity in patients with stromal corneal dystrophy without previous corneal surgery: a cross-sectional analytical study.
Clinical profile of band-shaped keratopathy and association of underlying ocular or systemic disease with extent of corneal involvement and presenting visual acuity: a hospital-based cross-sectional analytical study.
Association of chronic uveitis with severity of band-shaped keratopathy compared with band-shaped keratopathy arising without active uveitis: a comparative cross-sectional study assessing corneal involvement at presentation.
Clinical and refractive characteristics of Salzmann nodular corneal degeneration among affected adults, assessing nodule location, keratometric astigmatism, and best corrected visual acuity at presentation: a hospital-based cross-sectional study.
Correlation of pterygium-associated peripheral corneal degeneration with keratometric astigmatism and best corrected visual acuity among patients presenting for surgical evaluation: a cross-sectional analytical study.
Comparative corneal sensitivity and epithelial integrity in patients with diabetes mellitus who have recurrent corneal epithelial disturbance and age-matched controls without diabetes mellitus: a comparative cross-sectional study.
Clinical profile of recurrent corneal erosion syndrome and association of preceding trauma versus epithelial basement membrane dystrophy with symptom frequency during the preceding six months: a hospital-based cross-sectional analytical study.
Association of epithelial basement membrane abnormalities with recurrent corneal erosion symptoms among adults presenting with repeated morning ocular pain: a diagnostic cross-sectional study using slit-lamp findings during initial evaluation.
Inter-eye asymmetry of endothelial cell density and central corneal thickness in patients with clinically bilateral Fuchs endothelial corneal dystrophy: a cross-sectional agreement study using bilateral specular microscopy and pachymetry.
Correlation of corneal oedema severity with central corneal thickness and best corrected visual acuity in patients with endothelial corneal decompensation not previously treated surgically: a hospital-based cross-sectional analytical study.
Comparative endothelial cell density and corneal thickness in pseudophakic patients with clinically evident corneal decompensation and pseudophakic patients with clear corneas: a comparative cross-sectional study.
Association of duration since cataract surgery with endothelial cell density and central corneal thickness among pseudophakic patients presenting with persistent corneal oedema within six months of surgery: a cross-sectional analytical study.
Contact Lens and Refractive Corneal Assessment
Correlation of soft contact lens wearing duration with tear film breakup time, corneal staining, and Ocular Surface Disease Index score among habitual contact lens users: a hospital-based cross-sectional analytical study.
Comparative tear film breakup time, Schirmer test values, and corneal staining in soft contact lens users and age-matched spectacle users: a comparative cross-sectional study using same-visit ocular surface assessment.
Association of daily contact lens wearing duration with corneal epithelial staining and dry eye symptom severity among young adult soft contact lens users: a hospital-based cross-sectional analytical study.
Association of contact lens hygiene practices with corneal staining, conjunctival hyperaemia, and previous episodes of contact lens-related ocular infection among habitual soft contact lens users: a cross-sectional analytical study.
Comparative corneal curvature and central corneal thickness among long-term soft contact lens users and age-matched non-users: a comparative cross-sectional study using keratometry and pachymetry during a single visit.
Correlation of manifest refractive astigmatism with corneal astigmatism measured by keratometry in patients presenting for refractive correction: a hospital-based cross-sectional analytical study.
Agreement between automated refraction-derived corneal astigmatism and manual keratometry for magnitude and axis of corneal astigmatism in adults undergoing refractive evaluation: a prospective device-agreement study.
Agreement between automated keratometry and corneal topography for flat and steep keratometric measurements among patients with regular astigmatism: a prospective device-comparison study using measurements obtained during the same visit.
Diagnostic yield of corneal topography for detecting unsuspected irregular astigmatism among patients with best corrected visual acuity worse than expected despite apparently normal slit-lamp examination: a prospective cross-sectional study.
Association of magnitude of corneal astigmatism with spectacle-corrected visual acuity and subjective visual symptoms among adults presenting for refractive evaluation: a hospital-based cross-sectional analytical study.
Comparative corneal topographic patterns in patients with high myopia and patients with low-to-moderate myopia undergoing routine refractive evaluation: a comparative cross-sectional study assessing curvature, astigmatism, and central corneal thickness.
Correlation of central corneal thickness with spherical equivalent refractive error among adults with myopia, hypermetropia, or emmetropia and no corneal disease: a hospital-based cross-sectional analytical study.
Association of habitual contact lens overwear beyond recommended daily duration with corneal epithelial staining and reduced tear film breakup time among soft contact lens users: a cross-sectional analytical study.
Comparative corneal endothelial cell density in long-term soft contact lens users and age-matched non-users without ocular surface disease: a comparative cross-sectional study using specular microscopy at a single visit.
Association of sleeping in soft contact lenses with corneal epithelial abnormalities and history of acute red-eye episodes among habitual users: a hospital-based cross-sectional analytical study.
Correlation of subjective contact lens discomfort with tear film breakup time and corneal fluorescein staining among habitual soft contact lens users: a cross-sectional analytical study using standardized symptom assessment.
Agreement between keratometry and corneal topography for measuring corneal astigmatism in patients with healed corneal scars undergoing optical rehabilitation: a prospective device-agreement study using same-visit measurements.
Comparative corneal topographic parameters in spectacle-corrected patients with high astigmatism and patients with low astigmatism, excluding keratoconus and previous corneal surgery: a comparative cross-sectional study.
Diagnostic accuracy of abnormal retinoscopic reflexes for detecting irregular corneal topography among patients with reduced spectacle-corrected vision, using corneal topography as the reference standard: a prospective diagnostic accuracy study.
Intra-observer repeatability of automated keratometry and corneal topography measurements in adults undergoing refractive assessment, comparing repeated flat curvature, steep curvature, and astigmatism values during the same visit: a prospective reliability study.
Ocular Surface, Pterygium and Allergic Corneal Disease
Correlation of pterygium size measured from the limbus onto the cornea with keratometric astigmatism and best corrected visual acuity among adults presenting with primary pterygium: a hospital-based cross-sectional analytical study.
Association of outdoor occupational ultraviolet light exposure with pterygium size, laterality, and corneal astigmatism among adults with primary pterygium: a hospital-based cross-sectional analytical study.
Comparative corneal astigmatism in eyes with primary nasal pterygium and age-matched eyes without pterygium: a comparative cross-sectional study using automated keratometry and corneal topography during the same visit.
Correlation of pterygium morphology and vascularity with induced corneal astigmatism among patients undergoing surgical evaluation for primary pterygium: a hospital-based cross-sectional analytical study.
Inter-observer agreement between ophthalmology residents and cornea specialists for measurement of pterygium extension onto the cornea using slit-lamp examination and standardized anterior segment photography: a prospective observer-agreement study.
Association of pterygium size with tear film breakup time, Schirmer test values, and ocular surface symptom score among adults with primary pterygium: a hospital-based cross-sectional analytical study.
Comparative tear film parameters before and six weeks after routine pterygium excision with conjunctival autografting in patients with primary pterygium: a prospective observational study assessing tear film breakup time and symptom score.
Comparative corneal astigmatism before and six weeks after routine pterygium excision with conjunctival autografting in patients with primary pterygium: a prospective observational study using keratometric magnitude and axis.
Association of vernal keratoconjunctivitis severity with superficial punctate keratitis, corneal shield ulcer, and reduced best corrected visual acuity among children and adolescents: a hospital-based cross-sectional analytical study.
Correlation of ocular itching severity with corneal epithelial staining and tear film breakup time among children and adolescents with active vernal keratoconjunctivitis: a cross-sectional analytical study.
Association of frequent eye rubbing with corneal topographic steepening among patients with vernal keratoconjunctivitis compared with age-matched patients without allergic eye disease: a comparative cross-sectional analytical study.
Seasonal variation in corneal complications and symptom severity among children with vernal keratoconjunctivitis presenting during summer, monsoon, post-monsoon, and winter periods: a prospective repeated cross-sectional observational study.
Inter-observer agreement for grading corneal involvement in vernal keratoconjunctivitis using standardized slit-lamp criteria among ophthalmology residents and cornea specialists: a prospective observer-agreement study during the same visit.
Association of chronic topical corticosteroid self-medication with corneal epithelial complications and intraocular pressure elevation among patients with allergic ocular disease: a hospital-based cross-sectional analytical study.
Comparative tear film breakup time and corneal fluorescein staining in patients with chronic allergic conjunctivitis and age-matched controls without ocular allergy: a comparative cross-sectional study.
Association of chronic dust exposure with pterygium prevalence and corneal astigmatism among outdoor workers compared with indoor workers attending a tertiary care hospital: a comparative cross-sectional analytical study.
Association of primary pterygium extension toward the visual axis with best corrected visual acuity and topographic corneal irregularity among adults: a hospital-based cross-sectional analytical study.
Correlation of conjunctival redness and pterygium vascularity with ocular surface symptom severity among patients with primary pterygium: a hospital-based cross-sectional analytical study using standardized clinical grading.
Comparative ocular surface symptom score and tear film breakup time in unilateral pterygium eyes and clinically unaffected fellow eyes of the same patients: a paired comparative cross-sectional study.
Association of outdoor work duration in years with pterygium size and keratometric astigmatism among agricultural and construction workers with primary pterygium: a hospital-based cross-sectional analytical study.
Corneal Imaging, Pachymetry and Diagnostic Measurements
Agreement between ultrasound pachymetry and corneal topography-derived central corneal thickness in adults without corneal pathology, using consecutive measurements during the same visit: a prospective device-agreement study assessing mean difference and limits of agreement.
Agreement between ultrasound pachymetry and corneal topography-derived central corneal thickness in patients with keratoconus, using same-visit measurements across mild, moderate, and severe disease: a prospective device-agreement study.
Intra-observer repeatability of ultrasound pachymetry measurements of central corneal thickness in healthy adults, using three consecutive measurements during a single examination: a prospective reliability study.
Inter-observer agreement for central corneal thickness measured by ultrasound pachymetry between trained ophthalmology residents in adults undergoing glaucoma evaluation: a prospective observer-agreement study using consecutive same-visit measurements.
Correlation of central corneal thickness with Goldmann applanation tonometry-measured intraocular pressure in treatment-naive patients undergoing glaucoma evaluation: a hospital-based cross-sectional analytical study.
Comparative central corneal thickness in patients with primary open angle glaucoma, primary angle closure disease, ocular hypertension, and age-matched adults without glaucoma: a comparative cross-sectional study using pachymetry at presentation.
Correlation of central corneal thickness with age, sex, and refractive error among Indian adults without corneal disease, previous ocular surgery, glaucoma, or diabetes mellitus: a hospital-based cross-sectional analytical study.
Agreement between automated keratometry and corneal topography for flat and steep corneal curvature in adults with normal corneas: a prospective device-agreement study using repeated measurements during the same visit.
Intra-observer repeatability of corneal topography-derived flat curvature, steep curvature, astigmatism, and central corneal thickness in adults with normal corneas: a prospective reliability study using three consecutive scans.
Inter-observer agreement for interpretation of corneal topography as normal, suspicious, or keratoconic among ophthalmology residents and cornea specialists, using specialist consensus as the reference standard: a prospective observer-agreement study.
Diagnostic accuracy of corneal topography for detecting keratoconus among young adults with high astigmatism, using combined specialist clinical examination and predefined topographic diagnostic criteria as the reference standard: a prospective diagnostic accuracy study.
Diagnostic accuracy of central corneal thickness below a predefined threshold for identifying clinically evident corneal ectasia among patients with high astigmatism, using corneal topography as the reference standard: a prospective diagnostic accuracy study.
Correlation of corneal topographic astigmatism with manifest refractive cylinder in adults with regular astigmatism and no previous corneal surgery: a hospital-based cross-sectional analytical study.
Comparative corneal topographic measurements obtained before and after instillation of lubricating eye drops in patients with dry eye disease, assessing curvature and astigmatism variability after fifteen minutes: a prospective repeated-measures observational study.
Association of tear film instability with variability of repeated automated keratometry measurements among patients with symptomatic dry eye disease: a prospective analytical study comparing three measurements obtained during the same visit.
Correlation of corneal curvature measured by automated keratometry with optical biometry-derived corneal power among patients undergoing routine cataract evaluation: a prospective cross-sectional analytical study using same-visit measurements.
Agreement between manual keratometry and optical biometry-derived keratometry in patients undergoing cataract surgery evaluation, assessing flat curvature, steep curvature, and corneal astigmatism during the same visit: a prospective device-agreement study.
Association of corneal scar location and density with variability of repeated keratometry measurements among patients with stable healed corneal opacities: a prospective analytical study using three same-visit measurements.
Diagnostic yield of routine corneal topography among patients scheduled for cataract surgery who have keratometric astigmatism exceeding one and one-half dioptres, assessing previously unrecognized irregular astigmatism before surgery: a prospective cross-sectional study.
Agreement between resident-performed and specialist-performed corneal topography interpretation for identifying irregular astigmatism in patients undergoing cataract or refractive evaluation, using specialist consensus as the reference comparator: a prospective observer-agreement study.
Not the ophthalmology subspeciality you need? Cornea is one section of our full ophthalmology collection — the hub page lists every subspeciality, each with its own free topic list. Updated September 2026.
📌 Updated for 2026–2027 MS Ophthalmology Cornea admissions
The list was reviewed for feasibility in departments where most corneal research must be completed through routine outpatient, emergency, microbiology and imaging workflows.
Many topics can be completed with slit-lamp examination, fluorescein staining, keratometry, pachymetry, corneal topography, specular microscopy or routine corneal scraping and culture; not every study requires tomography, anterior-segment OCT or confocal microscopy.
Cross-sectional, diagnostic-accuracy, agreement, repeatability and short prospective follow-up designs are generally more practical than rare-disease cohorts or intervention studies requiring long follow-up.
Publication potential is strongest when the protocol fixes the measurement conditions, separates eye-level from patient-level analysis, and clearly states the reference standard for microbial, ectatic or imaging-based diagnoses.
Generate a protocol from any topic above
Select Generate Protocol → beside any title in the list above and receive a submission-ready document built around that topic, containing all eighteen components:
Introduction / Synopsis
Research Question
Aim of the Study
Primary Objective
Secondary Objectives
Materials and Methods
Inclusion Criteria
Exclusion Criteria
Sample Size Calculation
Methodology
Statistical Analysis
Ethical Considerations
Review of Literature
References
Gantt Chart / Study Timeline
Patient Information Sheet
Consent Form
Data Collection Form
Already have your thesis title?
Generate the full cornea protocol directly — objectives, methodology, sample size, statistics, timeline, references and annexures.
Alongside cornea protocols and synopses, support is also available for departmental presentations, journal club presentations, ethics committee presentations, and posters and oral presentations for medical conferences — for postgraduate residents, board trainees and research scholars across India and the GCC. Prepared by a practising doctor with long experience in medical publishing and thesis supervision.
The topics above work as research questions anywhere — what changes is the document the institution expects, and who approves it before data collection begins. The Gulf equivalent of an Indian synopsis is the cornea research proposal submitted to an institutional review board, and it ordinarily carries three sections an Indian synopsis does not: a Gantt chart, a budget and resources section, and a Declaration of Helsinki statement.
Board and residency programmes — country by country
Saudi Arabia — SCFHS and the Saudi Board. Residency and fellowship training under the Saudi Commission for Health Specialties includes a research project with a set timeline, and the cornea research proposal is the document prepared at the outset and cleared by the institutional review board before recruitment starts.
United Arab Emirates — DHA, DOH Abu Dhabi and MOHAP. Residents training in Dubai, Abu Dhabi and the northern emirates prepare a cornea research protocol for their programme and submit it for institutional review board approval before any data are collected.
Qatar — DHP (formerly QCHP) and Hamad Medical Corporation. A cornea IRB proposal is reviewed before recruitment, with the ethics section written to the institution's own template rather than a generic one.
Bahrain — NHRA. Trainees turning cornea research topics into a project need the proposal cleared by their institutional research and ethics committee before fieldwork begins.
Oman — OMSB. Residency programmes under the Oman Medical Specialty Board include a research component, and the cornea research proposal is the document assessed at the start of it.
Kuwait — KIMS. A cornea study protocol goes to the institutional committee for approval before the project begins.
Arab Board programmes across the region. The Arab Board carries its own research requirement irrespective of the host country, and the cornea proposal follows the same structure throughout.
Postgraduate degrees — Malaysia, the Gulf and beyond
Malaysia — MMed, the National Medical Research Register and MREC. A cornea dissertation proposal for a Master of Medicine programme carried out in a Ministry of Health facility must be registered on the NMRR and approved by the Medical Research and Ethics Committee before the study begins, and the guidance asks for submission four to six months ahead of data collection. Every investigator on the study team registers on the NMRR as well, so the methodology, ethics and team sections are written in far more detail than an Indian synopsis requires.
PhD and Master's candidates elsewhere. University programmes generally require a full cornea research proposal of roughly 6,000 to 10,000 words, with an extended literature review, a theoretical framework and a detailed methodology chapter.
PhD and MMed proposals are written individually by a medical doctor and revised until the supervisor accepts them. They are not produced by the automated protocol generator.
Current corneal research is increasingly centred on reproducible measurements and clinically useful early detection rather than descriptive case counts alone.
Keratoconus and early ectasia detection: topographic asymmetry, pachymetry, progression markers and screening of high-risk young patients remain useful because earlier identification can alter follow-up and treatment decisions.
Ocular surface and tear-film instability: digital-device exposure, meibomian gland dysfunction, topical medication burden and environmental exposure are attractive because symptoms and objective tests often disagree and can be studied in routine clinics.
Microbial keratitis diagnostics: smear, culture, prior antimicrobial exposure and clinical differentiation of fungal and bacterial ulcers remain important where delayed presentation and pre-treatment reduce microbiological yield.
Corneal endothelial and measurement research: specular microscopy, pachymetry, keratometry and postoperative endothelial change offer strong resident projects when repeatability, device agreement and clinically relevant follow-up intervals are predefined.
Protocol and synopsis guidance
What a Cornea protocol must contain
Define the disease and the study eye precisely. A corneal ulcer, keratoconus, dry eye disease, corneal scar or endothelial abnormality must have an operational definition that can be applied consistently. State whether one eye or both eyes may enter the study and how bilateral observations will be handled analytically.
Standardise corneal measurements. Keratometry, topography, pachymetry, tear-film breakup time, Schirmer testing, staining grades and specular microscopy are sensitive to technique and examination conditions. Fix contact-lens discontinuation where relevant, the order of tests, the number of repeated measurements, the examiner, the device and the rule for accepting or repeating a scan.
State the reference standard. In microbial keratitis, separate clinical suspicion from smear positivity, culture positivity and organism identification. In ectasia or irregular astigmatism studies, define whether the reference is specialist examination, predefined topographic criteria, tomography or a combined standard. Agreement between two devices or two observers is not the same as diagnostic accuracy.
Fix the time anchor. Corneal infiltrate size, epithelial defects, oedema, tear-film parameters and postoperative endothelial measurements change with treatment and time. The protocol should state whether measurements are at presentation before treatment, after a defined washout, at a fixed postoperative visit or after complete epithelial healing.
Cornea synopsis versus Cornea protocol
The synopsis is the compressed research plan. It should identify the corneal condition, study population, principal measurement, comparison or reference standard, primary outcome and planned design without reproducing every operating detail.
The protocol carries the reproducibility details. It should specify slit-lamp grading criteria, microbiology sampling and transport, device model, calibration or scan-quality rules, contact-lens washout where relevant, masking of observers, whether measurements are averaged or repeated, and how bilateral eyes are handled.
Corneal studies often fail when these details are omitted. Two projects may use the same topography or fluorescein test but produce different results because the order of testing, tear-film state, prior treatment or examiner differs. Those factors belong in the protocol even if the synopsis mentions them only briefly.
Sample size and statistical analysis
Base the sample size on the primary question. Prevalence studies use an expected proportion and precision, diagnostic-accuracy studies use anticipated sensitivity or specificity with disease prevalence, correlation studies use the expected correlation coefficient, and comparative studies use the expected difference in the principal corneal outcome.
Do not automatically count two eyes as two independent patients. Measurements from the right and left eyes of the same person are correlated. A protocol may preselect one eye, use a defined worse-eye or study-eye rule, analyse paired eyes appropriately, or use statistical methods that account for within-person clustering.
Choose the analysis that matches the measurement question. Device comparison requires agreement analysis rather than simple correlation; repeated same-visit measurements require repeatability statistics; observer grading requires kappa or an appropriate reliability coefficient; diagnostic studies require sensitivity, specificity and predictive values against a stated reference standard. Continuous corneal outcomes should be analysed according to their distribution and the design should prespecify how missing scans, unreadable topography and culture-negative cases will be handled.
1. How do I choose a feasible Cornea thesis topic?
For 2026–2027 admissions, begin with the patients and instruments that are consistently available in the department. A high-volume microbial keratitis, dry eye, pterygium, cataract-endothelium or keratoconus service usually produces a more reliable thesis than a rare corneal dystrophy with uncertain recruitment. Prefer one primary outcome, one clearly defined population and a follow-up period that can be completed before dissertation submission.
2. Which study designs are commonly accepted for Cornea thesis work?
Useful designs include cross-sectional analytical studies, prospective observational cohorts, comparative observational studies, diagnostic-accuracy studies, device-agreement studies, observer-agreement studies, repeatability studies, case-control studies and retrospective microbiology or service-based reviews. The design should follow the question rather than being selected first and forced onto the topic.
3. What should I settle with my guide before finalising a Cornea topic?
Settle the exact case definition, whether one or both eyes will be analysed, the device and software version, who will perform measurements, the reference standard, the primary outcome, the minimum follow-up and whether routine records contain the variables needed. For microbial keratitis, also confirm whether microscopy, culture and susceptibility data are consistently available and whether prior antimicrobial exposure is documented.
4. How should I standardise corneal measurements in my thesis?
Specify the sequence and timing of tests, contact-lens discontinuation where relevant, the number of repeated readings, acceptable image or scan quality, whether values are averaged, and whether the same examiner or masked independent observers are used. Tear-film testing should be ordered carefully because one test can alter the ocular surface and influence the next. For topography and keratometry, document how poor-quality or highly irregular scans will be repeated or excluded.
5. What is the difference between a Cornea synopsis and a Cornea protocol?
The synopsis summarises the research question, rationale, objectives, study design, main methods and planned analysis. The protocol is the operational document and should contain the definitions, measurement sequence, microbiology procedure, device settings, observer roles, study-eye rule, follow-up schedule, missing-data plan and statistical methods in enough detail for another investigator to repeat the study.
6. What ethical issues are important in Cornea research?
Prospective studies require informed consent, while children require guardian consent and age-appropriate assent from about seven years where feasible. Record-based studies may seek a waiver of consent when permitted by the ethics committee. Research should not add unnecessary corneal scraping, contrast, venepuncture or treatment delay; any additional non-invasive imaging beyond standard care should be stated clearly. Separate consent should be obtained for identifiable anterior-segment photographs or video. Device exports and image files should be anonymised because patient identifiers may remain in stored metadata. The protocol should also state how urgent incidental findings such as progressive ectasia, corneal thinning, impending perforation, severe infection or steroid-related pressure elevation will be escalated for clinical care.
7. Can I classify culture-negative microbial keratitis as non-infective disease?
No. A negative smear or culture does not by itself exclude microbial keratitis, particularly after prior topical antibiotic or antifungal exposure, inadequate scraping, a small infiltrate or delayed specimen processing. The protocol should keep clinical diagnosis, microscopy result and culture result as separate variables. If microbiological confirmation is the inclusion criterion, say so explicitly; if clinically diagnosed cases are also included, define that clinical rule before recruitment rather than reclassifying patients after the laboratory result is known.
8. Can a Cornea thesis also support PhD or Gulf board research pathways?
Yes, but the format and expected depth differ. A PhD proposal usually requires a broader research gap, stronger methodological justification and a programme of work beyond the scope of an MS dissertation. An MD or MS synopsis is narrower and designed around a single completable dissertation. Residents in SCFHS and Saudi Board programmes may also need a mandatory board research project, while Arab Board of Health Specializations and DHP, DHA, DOH or MOHAP-linked programmes may use their own proposal, ethics and submission pathways. The scientific question can overlap, but the document should be written for the specific programme rather than reused unchanged.
9. When should I register my Cornea thesis topic?
Register after confirming that the target condition is seen often enough, the required corneal measurement or microbiology service is reliably available, the guide agrees with the primary outcome, and the proposed follow-up fits the institutional thesis timeline. Registration should come before prospective recruitment or collection of research-specific measurements unless the institution has formally approved an earlier start.
Found a topic that fits your department?
Generate its full protocol — objectives, methodology, sample size, statistics, timeline, references and annexures — in editable format.