An anopsia, or anopia, (from Ancient Greek ἀν- (an-) 'without' and ὄψις (opsis) 'sight') is a defect in the visual field. If the defect is only partial, then the portion of the field with the defect can be used to isolate the underlying cause. It is particularly used to describe the lack of sight in one eye.[1]
Variants[edit]Types of partial anopsia include: [citation needed]
Hemianopsia Homonymous hemianopsia Heteronymous hemianopsia Binasal hemianopsia Bitemporal hemianopsia Superior hemianopia Inferior hemianopia Quadrantanopia References[edit] ^ Stanaszek, Walter F.; Stanaszek, Mary J.; Holt, Robert J.; Strauss, Steven (2020-06-29). Understanding Medical Terms: A Guide for Pharmacy Practice (2 ed.). Routledge. doi:10.4324/9780429273032. ISBN 978-0-429-27303-2. External links[edit] ClassificationDICD-10: H53.4ICD-9-CM: 368.4 vteDiseases of the human eyeAdnexaEyelidInflammation Stye Chalazion Blepharitis Meibomian gland dysfunction Entropion Ectropion Lagophthalmos Blepharochalasis Ptosis Blepharophimosis Xanthelasma Ankyloblepharon Eyelash Trichiasis Madarosis Distichiasis Trichomegaly Lacrimal apparatus Dacryoadenitis Epiphora Dacryocystitis Xerophthalmia Orbit Exophthalmos Enophthalmos Orbital cellulitis Orbital lymphoma Periorbital cellulitis Conjunctiva Chemosis Conjunctivitis allergic Pterygium Pseudopterygium Pinguecula Subconjunctival hemorrhage GlobeFibrous tunicSclera Scleritis Episcleritis Cornea Keratitis herpetic acanthamoebic fungal Exposure Photokeratitis Corneal ulcer Thygeson's superficial punctate keratopathy Corneal dystrophy Fuchs' Meesmann Corneal ectasia Keratoconus Pellucid marginal degeneration Keratoglobus Terrien's marginal degeneration Post-LASIK ectasia Keratoconjunctivitis sicca Corneal opacity Corneal neovascularization Kayser–Fleischer ring Haab's striae Arcus senilis Band keratopathy Vascular tunicIrisCiliary body Uveitis Intermediate uveitis Hyphema Rubeosis iridis Persistent pupillary membrane Iridodialysis Synechia Choroid Choroideremia Choroiditis Chorioretinitis Focal choroidal excation Polypoidal choroidal vasculopathy Lens Cataract Congenital cataract Childhood cataract Aphakia Ectopia lentis Retina Retinitis Chorioretinitis Cytomegalovirus retinitis Retinal detachment Posterior vitreous detachment Retinoschisis Ocular ischemic syndrome / Central retinal vein occlusion Central retinal artery occlusion Branch retinal artery occlusion Retinopathy diabetic hypertensive Purtscher's of prematurity Bietti's crystalline dystrophy Coats' disease Sickle cell photic Macular degeneration Retinitis pigmentosa Retinal haemorrhage Central serous retinopathy Macular edema Epiretinal membrane (Macular pucker) Vitelliform macular dystrophy Leber's congenital amaurosis Birdshot chorioretinopathy Other Glaucoma / Ocular hypertension / Primary juvenile glaucoma Floater Leber's hereditary optic neuropathy Ocular hypotony Red eye Globe rupture Keratomycosis Phthisis bulbi Persistent fetal vasculature Persistent tunica vasculosa lentis Familial exudative vitreoretinopathy Vogt-Koyanagi-Harada disease PathwaysOptic nerveOptic disc Optic neuritis optic papillitis Papilledema Foster Kennedy syndrome Optic atrophy Optic disc drusen Optic neuropathy Ischemic anterior (AION) posterior (PION) arteritic anterior (AAION or arteritic AION) non-arteritic anterior (NAION) Kjer's Leber's hereditary Toxic and nutritional StrabismusExtraocular musclesBinocular visionAccommodationParalytic strabismus Ophthalmoparesis Chronic progressive external ophthalmoplegia Kearns–Sayre syndrome palsies Oculomotor (III) Fourth-nerve (IV) Sixth-nerve (VI) Other strabismus Esotropia / Exotropia Hypertropia Heterophoria Esophoria Exophoria Cyclotropia Brown's syndrome Duane syndrome Other binocular Conjugate gaze palsy Convergence insufficiency Internuclear ophthalmoplegia One and a half syndrome Refraction Refractive error Hyperopia Myopia Astigmatism Anisometropia / Aniseikonia Presbyopia Vision disordersBlindness Amblyopia Leber's congenital amaurosis Diplopia Scotoma Color blindness Achromatopsia Dichromacy Monochromacy Nyctalopia Oguchi disease Blindness / Vision loss / Visual impairment Anopsia Hemianopsia binasal bitemporal homonymous Quadrantanopia subjective Asthenopia Hemeralopia Photophobia Scintillating scotoma Pupil Anisocoria Argyll Robertson pupil Marcus Gunn pupil Adie syndrome Miosis Mydriasis Cycloplegia Parinaud's syndrome Other Nystagmus Childhood blindness Infections Trachoma OnchocerciasisThis article about the eye is a stub. You can help Wikipedia by expanding it.
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