Lack of Light Perception

Absent Relative Afferent Pupillary Defect Age Related Changes Allergic Keratoconjunctivitis Ambylopia Argyll Robinson Pupil Astigmatism Bacterial Keratitis Binocular Vertical Diplopia Bitot's Spots Blepharoptosis Blindness Capillary Hemangiomas Cataracts Cavernous Hemangiomas Central Retinal Artery Occlusion Central Retinal Vein Occlusion Central Vision Loss Chemical Burns Chemical Conjunctivitis Cherry-Red Spot in Retina Chorioretinal Scars Chorioretinitis Choroidal Neovascularization Choroiditis Chronic, Relapsing-Remitting Bilateral Conjunctivitis Color Blindness Congenital Cataracts Congenital Nasolacrimal Duct Obstruction Conjunctival and Corneal Xerosis Conjunctival Granuloma Conjunctival Scarring Conjunctivitis Contact Lens Use Corneal Abrasion Corneal Burn Corneal Edema Corneal Foreign Body Corneal Neovascularization Corneal Opacification Corneal Perforation Corneal Scarring Corneal Thinning Corneal Transplant Corneal Trauma Corneal Ulcerations Corrective lenses Dacryoadenitis Damage of or Illness Involving Peripheral Corneal Nerves Decreased Color Vision Decreased or Absent Corneal Sensation Decreased Visual Acuity Delayed Dark Adaptation Double Vision Dry Eye Disease Ectropion Edema of the Optic Disc Endopthalmos Entropion Epiphora Episcleritis Extraocular Muscles Eye Erythema Eye Pain Eye Trauma Eyelid Laxity Fixed Mydriatic Pupil Flashing Lights Floaters Foreign Body Sensation Gaze Abnormalities Glaucoma Head Tilt Herpes Zoster Keratoconjunctivitis Horner syndrome Hypertelorism Hypertensive Retinopathy Hyperthyroid Eye Disease Hyphema Hypotelorism Idiopathic Retinal Vasculitis, Aneurysms, and Neuroretinitis (IRVAN) Increased Intraocular Pressure Inflammatory Chorioretinopathies Intermediate Uveitis Interstitial Keratitis Intraocular Implantation Intraocular Tumors Ischemic Optic Neuropathy Kayser-Fleischer Ring Keratoconjunctivitis Keratoconjunctivitis Sicca Keratomalacia Lack of Light Perception Lacrimation Lagopthalmos Lateral Flare Leak of Intraocular Fluid Lens Dislocation Lens Subluxation Leukocoria Leukoria Lid Lag Lid Retraction Lisch Nodules Loss of Accommodation Low Intraocular Pressure Macular Degeneration Macular Disease Macular Edema Macular Exudates Macular Pigment Deposit Maggot Infestation of the Eye Metamorphopsia Micropsia Micropthalmia Miosis Monocular Vision Loss Mydriasis Myopia Necrotizing Chorioretinitis Neonatal Conjunctivitis Night Blindness Nyctalopia Nystagmus Ocular Trauma Optic Atrophy Optic Disc Swelling Optic Gliomas Optic Nerve Swelling Optic Neuritis Optic Neuropathy Orbital Compartment Syndrome Orbital Fracture Painful and Restricted Eye Movements Papilledema Paracentral Scotoma Paralytic Strabismus Periocular Pain Periorbital Edema Periorbital Tumors Peripheral Multifocal Chorioretinitis photophobia Photopsia Posterior Uveitis Posterior Vitreous Detachment Pre-Retinal Hemorrhages Proliferative Vitreoretinopathy Proptosis Prosthetic Eye Ptosis Racemose Hemangiomas Reduction in Aqueous Humor Production Refractive Surgery Retinal Aneurysms Retinal Artery Occlusion Retinal Detachment Retinal Disorders Retinal Dysplasia Retinal Exudates Retinal Tear Retinal Telangiectasia Retinal Vasculitis Retinal Vasoproliferative Tumors Retinitis Pigmentosa Retinopathy Retinopathy of Prematurity Scintillating Scotomas Scleral Pigmentation Scleritis Sjogren Disease Strabismus Subconjunctival Hemorrhage Superior-Lateral Orbital Depression Synechiae Tearing Thermal Burns Topical or Systemic Medications Torsional Diplopia Trachoma Trichiasis Underlying Systemic Vascular Disorder Uveitis Vision Loss Visual Changes Visual Field Defects Vitritis  White Centered Retinal Hemorrhages