Anopsia

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**Anopsia**
ICD-10	H 534
ICD-9	368.4
OMIM	[1]
DiseasesDB	[2]
MedlinePlus	[3]
eMedicine	/
MeSH	{{{MeshNumber}}}

An anopsia (or anopia) 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.

Types of partial anopsia:

Hemianopsia
- Homonymous hemianopsia
- Heteronymous hemianopsia
  - Binasal hemianopsia
  - Bitemporal hemianopsia
- Superior hemianopia
- Inferior hemianopia
Quadrantanopia

v·d·e

Eye disease - pathology of the eye (H00-H59, 360-379)

Adnexa

eyelid: inflammation (Stye, Chalazion, Blepharitis) - Entropion - Ectropion - Lagophthalmos - Blepharochalasis - Ptosis - Blepharophimosis - Xanthelasma - Trichiasis - Madarosis

lacrimal system: Dacryoadenitis - Epiphora - Dacryocystitis

orbit: Exophthalmos - Enophthalmos

Eyeball


Conjunctiva	Conjunctivitis (Allergic conjunctivitis) - Pterygium - Pinguecula - Subconjunctival hemorrhage
Fibrous tunic	sclera: Scleritis cornea: Keratitis - Corneal ulcer - Snow blindness - Thygeson's superficial punctate keratopathy - Fuchs' dystrophy - Keratoconus - Keratoconjunctivitis sicca - Arc eye - Keratoconjunctivitis - Corneal neovascularization - Kayser-Fleischer ring - Arcus senilis - Band keratopathy
Iris and ciliary body	Iritis - Uveitis - Iridocyclitis - Hyphema - Persistent pupillary membrane - Iridodialysis - Synechia
Lens	Cataract - Aphakia - Ectopia lentis
Choroid	Choroideremia - Choroiditis (Chorioretinitis)
Retina	Retinitis (Chorioretinitis) - Retinal detachment - Retinoschisis - Retinopathy (Bietti's crystalline dystrophy, Coats disease, Diabetic retinopathy, Hypertensive retinopathy, Retinopathy of prematurity) - Macular degeneration - Retinitis pigmentosa - Retinal haemorrhage - Central serous retinopathy - Macular edema - Epiretinal membrane - Macular pucker - Vitelliform macular dystrophy - Leber's congenital amaurosis - Birdshot chorioretinopathy

Optic nerve and visual pathways

Optic neuritis - Papilledema - Optic atrophy - Leber's hereditary optic neuropathy - Dominant optic atrophy - Optic disc drusen - Glaucoma - Toxic and nutritional optic neuropathy - Anterior ischemic optic neuropathy

Ocular muscles,
binocular movement,
accommodation and refraction

Paralytic strabismus: Ophthalmoparesis - Progressive external ophthalmoplegia - Palsy (III, IV, VI) - Kearns-Sayre syndrome Other strabismus: Esotropia/Exotropia - Hypertropia - Heterophoria (Esophoria, Exophoria) - Brown's syndrome - Duane syndrome
Other binocular: Conjugate gaze palsy - Convergence insufficiency - Internuclear ophthalmoplegia - One and a half syndrome
Refractive error: Hyperopia/Myopia - Astigmatism - Anisometropia/Aniseikonia - Presbyopia

Visual disturbances and blindness

Amblyopia - Leber's congenital amaurosis - Subjective (Asthenopia, Hemeralopia, Photophobia, Scintillating scotoma) - Diplopia - Scotoma - Anopsia (Binasal hemianopsia, Bitemporal hemianopsia, Homonymous hemianopsia, Quadrantanopia) - Color blindness (Achromatopsia, Dichromacy, Monochromacy) - Nyctalopia (Oguchi disease) - Blindness/Low vision

Pupil

Anisocoria - Argyll Robertson pupil - Marcus Gunn pupil/Marcus Gunn phenomenon - Adie syndrome - Miosis - Mydriasis - Cycloplegia

Infectious diseases

Trachoma - Onchocerciasis

Other

Nystagmus - Glaucoma/Ocular hypertension - Floater - Leber's hereditary optic neuropathy - Red eye - Keratomycosis - Xerophthalmia - Phthisis bulbi

See also congenital

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Anopsia

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