| Aberrant retinal vessels | 52 |
| Acute vision loss | 150 |
| Adenovirus | 276 |
| Advanced therapy medicinal products | 132 |
| Aflibercept | 209 |
| Age related macular degeneration | 232,238 |
| Age-related macular degeneration | 27,81 |
| Age-related maculopathy | 304 |
| Allergic | 146 |
| Amblyopia | 23 |
| Amniotic membrane | 15 |
| Anisometropia | 23 |
| Anterior chamber | 166 |
| Anterior segment parameters | 295 |
| Anti-vascular endothelial growth factor | 232 |
| Anti-VEGF | 190 |
| Anti-VEGF agents | 81 |
| Aphakia | 19 |
| Artifact | 158 |
| Avulsion | 89 |
| Axial length | 238,295 |
| Balanced salt solution | 221 |
| Binocular indirect ophthalmoscope | 250 |
| Black seed oil | 281 |
| Branch retinal artery occlusion | 150 |
| Bruch’s membrane opening | 178 |
| Candida parapsilosis | 142 |
| Cataract | 6,127 |
| Cell culture | 190 |
| Choroidal neovascular membrane | 209 |
| Choroidal neovascularization | 262 |
| Choroidal-retinal thickness | 326 |
| Ciliary body agenesis | 314 |
| Cilioretinal artery | 52 |
| Collagen crosslinking | 160 |
| Colloidal drug and gene delivery systems | 132 |
| Coloboma | 314 |
| Complicated cataract surgery | 19 |
| Compressive optic neuropathy | 92 |
| Confocal microscopy | 276 |
| Congenital retinal macrovessel | 52 |
| Conjunctiva | 15,61 |
| Conjunctival tuberculosis | 39 |
| Contact lens | 166 |
| Contact lens consumer trends | 288 |
| Cornea | 166 |
| Corneal aberrations | 274 |
| Corneal biomechanical properties | 171 |
| Corneal biomechanics | 160 |
| Corneal thickness | 326 |
| Corneal topography | 57 |
| Correlation | 75 |
| Crescentic lamellar wedge resection | 142 |
| Cryotherapy | 15 |
| Cystoid macular oedema | 155 |
| Descemet membrane | 221 |
| Descemet membrane endothelial keratoplasty | 85 |
| Descemet membrane unfolding time | 221 |
| Diabetic macular edema | 245 |
| Direct medical cost | 27 |
| Donor cornea | 221 |
| Drug-induced uveitis | 323 |
| Dry eye | 57,281,309 |
| Dual Scheimpflug topography system | 227 |
| Education | 288 |
| Electrocoagulation | 61 |
| Enhanced depth imaging | 109 |
| Epidemic keratoconjunctivitis | 276 |
| Epithelial keratitis | 276 |
| Excyclotorsion | 267 |
| External ophthalmoplegia | 92 |
| Familial exudative vitreoretinopathy | 212 |
| Fuchs’ uveitis syndrome | 320 |
| Fundus autofluorescence | 304 |
| Fungal keratitis | 142 |
| Genetics | 212 |
| Geographic atrophy | 81 |
| Glaucoma | 19,178,196,115 |
| Goldmann-Favre syndrome | 47 |
| Guillain-Barré syndrome | 206 |
| Harada-Ito | 267 |
| Herpes zoster ophthalmicus | 42 |
| Hypermature cataract | 320 |
| Iatrogenic trauma | 142 |
| Idiopathic macular holes | 70 |
| ILUVIEN | 155 |
| Internal limiting membrane | 75 |
| Intracameral cefuroxime | 317 |
| Irregular-edged Descemet membrane graft | 85 |
| Juvenile glaucoma | 295 |
| Keratoconus | 99,160,171 |
| Lamina cribrosa | 109 |
| Large radial tears | 85 |
| Laser | 245 |
| Level of knowledge | 115 |
| Lipofuscin | 304 |
| LOXL1 gene | 215 |
| Macula | 196 |
| Macular ischemia | 202 |
| Magnetic resonance imaging | 158 |
| Melanoma | 15,323 |
| Message contents | 288 |
| Methotrexate | 202 |
| Micropulse | 245 |
| Minimum rim width | 178 |
| Mix and match | 6 |
| Multifocal intraocular lenses | 6 |
| Myopic shift | 1 |
| Nepafenac | 146 |
| Neuroretinitis | 258 |
| Neurosarcoidosis | 202 |
| OCTA | 196 |
| Ocular delivery systems | 132 |
| Ocular gene and cellular delivery systems | 132 |
| Ocular Response Analyzer | 171 |
| Ocular trauma | 89 |
| Olfactory neuroblastoma | 92 |
| Optic coherence tomography | 47 |
| Optic disc | 178 |
| Optic nerve | 89 |
| Optic neuropathy | 202,258 |
| Optical biometry | 295 |
| Optical coherence tomography | 61,70,109,178,254,326 |
| Optical coherence tomography angiography | 150,196 |
| Optical coherence tomography angiography | 262 |
| Optomap | 250 |
| Optos | 250 |
| Orbital apex syndrome | 42 |
| Pachychoroid neovasculopathy | 262 |
| Papillophlebitis | 206 |
| Pediatric cataract surgery | 1 |
| Pellucid marginal degeneration | 142 |
| Penetrating keratoplasty | 171 |
| Pentacam | 99 |
| Perfusion | 196 |
| Peripapillary retinal nerve fiber layer | 196 |
| Phacoemulsification | 127 |
| Phacoemulsification surgery | 122 |
| Prednisolone | 209 |
| Pregabalin | 254 |
| Prelaminar tissue | 109 |
| Primary angle-closure glaucoma | 227 |
| Primary intraocular lens implantation | 1 |
| Products, national and international legislation | 132 |
| Proptosis | 92 |
| Pseudoexfoliation glaucoma | 109,215 |
| Pseudoexfoliation syndrome | 215 |
| Pseudoexfoliative glaucoma | 227 |
| Pseudophakic glaucoma | 1 |
| Public health | 288 |
| Pupillary light reflex | 185 |
| Pupillary response | 185 |
| Pupillometer | 185 |
| Radiotherapy | 127 |
| Ranibizumab | 27 |
| Raw meet | 258 |
| Recent developments | 33 |
| Refractive error | 238 |
| Repeatability | 57 |
| Reticular drusen | 304 |
| Retina | 47,212 |
| Retinal angiomatous proliferation | 66 |
| Retinal artery occlusion | 150 |
| Retinal detachment | 89 |
| Retinal detachment repair | 155 |
| Retinal diseases | 33 |
| Retinal infarct | 317 |
| Retinal pigment epithelial cell | 190 |
| Retinal toxicity | 317 |
| Retinoblastoma | 127 |
| Retinopathy of prematurity | 250 |
| Rhegmatogenous retinal detachment | 95 |
| Rheumatoid arthritis | 326 |
| Risk factors | 238 |
| Scale development | 115 |
| Scheimpflug tomography | 99 |
| Scleral buckling | 95 |
| Scleral thickness | 326 |
| Secondary glaucoma | 19 |
| Senescence | 190 |
| Serous macular detachment | 254 |
| Soft | 166 |
| Spectral-domain optical coherence tomography | 66 |
| Spherical equivalent | 295 |
| Spontaneous absorption | 320 |
| Stem cell | 33 |
| Stickler syndrome | 95 |
| Strabismus | 23 |
| Subclinical keratoconus | 99 |
| Subepithelial infiltrates | 276 |
| Suicide | 254 |
| Superior oblique muscle palsy | 267 |
| Surgical training | 122 |
| Susceptibility | 158 |
| Sympathetic ophthalmia | 209 |
| Tear film breakup time | 309 |
| Thymoquinone | 281 |
| Topography | 166,274 |
| Total ophthalmoplegia | 42 |
| Toxocara | 258 |
| Treatment | 232 |
| Treatment of dry eye | 309 |
| Trochlear nerve | 267 |
| Tuberculosis | 39 |
| Tuberculous conjunctivitis | 39 |
| Tumor | 15 |
| Type 3 neovascularization | 66 |
| Ultra wide-field imaging | 250 |
| Ultrasound biomicroscopy | 314 |
| Unilateral keratoconus | 274 |
| Urticaria | 146 |
| Vemurafenib | 323 |
| Virtual reality simulation | 122 |
| Visual axis opacity | 1 |
| Visual deterioration | 206 |
| Vitrectomy | 95 |
| Vitreoretinal interface | 70 |
| Volume | 75 |