# Eye disease

This is a partial list of human eye diseases and disorders.
The World Health Organization (WHO) publishes a classification of known diseases and injuries, the International Statistical Classification of Diseases and Related Health Problems, or ICD-10. This list uses that classification.

## H00-H06 Disorders of eyelid, lacrimal system and orbit

* (H02.1) Ectropion
* (H02.2) Lagophthalmos
* (H02.3) Blepharochalasis
* (H02.4) Ptosis
* (H02.5) Stye, an acne type infection of the sebaceous glands on or near the eyelid.
* (H02.6) Xanthelasma of eyelid
* (H03.0*) Parasitic infestation of eyelid in diseases classified elsewhere
** Dermatitis of eyelid due to Demodex species ( B88.0+ )
** Parasitic infestation of eyelid in:
*** leishmaniasis ( B55.-+ )
*** loiasis ( B74.3+ )
*** onchocerciasis ( B73+ )
*** phthiriasis ( B85.3+ )
* (H03.1*) Involvement of eyelid in other infectious diseases classified elsewhere
** Involvement of eyelid in:
*** herpesviral (herpes simplex) infection ( B00.5+ )
*** leprosy ( A30.-+ )
*** molluscum contagiosum ( B08.1+ )
*** tuberculosis ( A18.4+ )
*** yaws ( A66.-+ )
*** zoster ( B02.3+ )
* (H03.8*) Involvement of eyelid in other diseases classified elsewhere
** Involvement of eyelid in impetigo ( L01.0+ )
* (H04.0) Dacryoadenitis
* (H04.2) Epiphora
* (H06.2*) Dysthyroid exophthalmos it is shown that if your eye comes out that it will shrink because the optic fluids drain out

## H10-H13 Disorders of conjunctiva

* (H10.0) Conjunctivitis – inflammation of the conjunctiva commonly due to an infection or an allergic reaction
* (H11.129) Conjunctival concretion - development of hard deposits under the eyelid

## H15-H22 Disorders of sclera, cornea, iris and ciliary body

* (H15.0) Scleritis — a painful inflammation of the sclera
* (H16) Keratitis — inflammation of the cornea
* (H16.0) Corneal ulcer / Corneal abrasion — loss of the surface epithelial layer of the eye's cornea
* (H16.1) Snow blindness / Arc eye — a painful condition caused by exposure of unprotected eyes to bright light
* (H16.1) Thygeson's superficial punctate keratopathy
* (H16.4) Corneal neovascularization
* (H18.5) Fuchs' dystrophy — cloudy morning vision
* (H18.6) Keratoconus — degenerative disease: the cornea thins and changes shape to be more like a cone than a parabole
* (H19.3) Keratoconjunctivitis sicca — dry eyes
* (H20.0) Iritis — inflammation of the iris
* (H20.0, H44.1) Uveitis — inflammatory process involving the interior of the eye; Sympathetic ophthalmia is a subset.

## H25-H28 Disorders of lens

* (H25) Cataract — the lens becomes opaque
* (H26) Myopia - close object appears clearly, but far ones do not
* (H27) Hypermetropia - Nearby objects appears blurry
* (H28) Presbyopia - inability to focus on nearby objects

## H30-H36 Disorders of choroid and retina
### H30 Chorioretinal inflammation

(H30) Chorioretinal inflammation
* (H30.0) Focal chorioretinal inflammation
** Focal:
*** chorioretinitis
*** choroiditis
*** retinitis
*** retinochoroiditis
* (H30.1) Disseminated chorioretinal inflammation
** Disseminated:
*** chorioretinitis
*** choroiditis
*** retinitis
*** retinochoroiditis
      * Excludes: exudative retinopathy (H35.0)
* (H30.2) Posterior cyclitis
** Pars planitis
* (H30.8) Other chorioretinal inflammations
** Harada's disease
* (H30.9) Chorioretinal inflammation, unspecified
** Chorioretinitis
** Choroiditis
** Retinitis
** Retinochoroiditis

### H31 Other disorders of choroid

(H31) Other disorders of choroid
* (H31.0) Chorioretinal scars
** Macula scars of posterior pole (postinflammatory) (post-traumatic)
** Solar retinopathy
* (H31.1) Choroidal degeneration
** Atrophy
** Sclerosis
*** Excludes: angioid streaks (H35.3)
* (H31.2) Hereditary choroidal dystrophy
** Choroideremia
** Dystrophy, choroidal (central areolar) (generalized) (peripapillary)
** Gyrate atrophy, choroid
*** Excludes: ornithinaemia ( E72.4 )
* (H31.3) Choroidal haemorrhage and rupture
** Choroidal haemorrhage:
*** NOS (Not Otherwise Specified)
*** expulsive
* (H31.4) Choroidal detachment
* (H31.8) Other specified disordes of choroid
* (H31.9) Disorder of choroid, unspecified

### H32 Chorioretinal disorders in diseases classified elsewhere

(H32) Chorioretinal disorders in diseases classified elsewhere
* (H32.0) Chorioretinal inflammation in infectious and parasitic diseases classified elsewhere
** Chorioretinitis:
*** syphilitic, late ( A52.7+ )
*** toxoplasma ( B58.0+ )
*** tuberculosis ( A18.5+ )
* (H32.8) Other chorioretinal disorders in diseases classified elsewhere

### H33 Retinal detachments and breaks

* (H33) Retinal detachment with retinal break
** Rhegmatogenous retinal detachment
* (H33.1) Retinoschisis and retinal cysts — the retina separates into several layers and may detach
** Cyst of ora serrata
** Parasitic cyst of retina NOS
** Pseudocyst of retina
*** Excludes: congenital retinoschisis (Q14.1)
**** microcystoid degeneration of retina (H35.4)
* (H33.2) Serous retinal detachment
** Retinal detachment:
*** NOS
*** without retinal break
**** Excludes: central serous chorioretinopathy (H35.7)
* (H33.3) Retinal breaks without detachment
** Horseshoe tear of retina, without detachment
** Round hole of retina, without detachment
** Operculum
** Retinal break NOS
*** Excludes: chorioretinal scars after surgery for detachment (H59.8)
*** peripheral retinal degeneration without break (H35.4)
* (H33.4) Traction detachment of retina
** Proliferative vitreo-retinopathy with retinal detachment
* (H33.5) Other retinal detachments

### H34 Retinal vascular occlusions

A retinal vessel occlusion is a blockage in the blood vessel at the back of your eye that can result in sight loss.

### H35 Other retinal disorders

* (H35.0) Hypertensive retinopathy — burst blood vessels, due to long-term high blood pressure
** (H35.0/E10-E14) Diabetic retinopathy — damage to the retina caused by complications of diabetes mellitus, which could eventually lead to blindness
* (H35.0-H35.2) Retinopathy — general term referring to non-inflammatory damage to the retina
* (H35.1) Retinopathy of prematurity — scarring and retinal detachment in premature babies
* (H35.3) Age-related macular degeneration — the photosensitive cells in the macula malfunction and over time cease to work
* (H35.3) Macular degeneration — loss of central vision, due to macular degeneration
** Bull's Eye Maculopathy
* (H35.3) Epiretinal membrane — a transparent layer forms and tightens over the retina
* (H35.4) Peripheral retinal degeneration
* (H35.5) Hereditary retinal dystrophy
* (H35.5) Retinitis pigmentosa — genetic disorder; tunnel vision preceded by night-blindness
* (H35.6) Retinal haemorrhage
* (H35.7) Separation of retinal layers
** Central serous retinopathy
** Retinal detachment: Detachment of retinal pigment epithelium
* (H35.8) Other specified retinal disorders
* (H35.81) Macular edema — distorted central vision, due to a swollen macula
* (H35.9) Retinal disorder, unspecified

### H36 Retinal disorders in diseases classified elsewhere

* (H36.0) Diabetic retinopathy

## H40-H42 Glaucoma

** (H40.1) Primary open-angle glaucoma
** (H40.2) Primary angle-closure glaucoma
** (H40.3) Primary Normal tension glaucoma

## H43-H45 Disorders of vitreous body and globe
### H43 Disorders of vitreous body

* (H43.0) Vitreous prolapse
** Excludes: vitreous syndrome following cataract surgery (H59.0)
* (H43.1) Vitreous haemorrhage
* (H43.2) Crystalline deposits in vitreous body
* (H43.3) Other vitreous opacities
** Vitreous membranes and strands
* (H43.8) Other disorders of vitreous body
** Vitreous:
*** degeneration
*** detachment
*** Excludes: proliferative vitreo-retinopathy with retinal detachment (H33.4)
* (H43.9) Disorder of vitreous body, unspecified

### H44 Disorders of globe

Includes: disorders affecting multiple structures of eye
* (H44.0) Purulent endophthalmitis
** Panophthalmitis
** Vitreous abscess
* (H44.1) Other endophthalmitis
** Parasitic endophthalmitis NOS
** Sympathetic uveitis
* (H44.2) Degenerative myopia
* (H44.3) Other degenerative disorders of globe
** Chalcosis
** Siderosis of eye
* (H44.4) Hypotony of eye
* (H44.5) Degenerated conditions of globe
** Absolute glaucoma
** Atrophy of globe
** Phthisis bulbi
* (H44.6) Retained (old) intraocular foreign body, magnetic
** Retained (old) magnetic foreign body (in):
*** anterior chamber
*** ciliary body
*** iris
*** lens
*** posterior wall of globe
*** vitreous body
* (H44.7) Retained (old) intraocular foreign body, nonmagnetic
** Retained (nonmagnetic)(old) foreign body (in):
*** anterior chamber
*** ciliary body
*** iris
*** lens
*** posterior wall of globe
*** vitreous body
* (H44.8) Other disorders of globe
** Haemophthalmos
** Luxation of globe
* (H44.9) Disorder of globe, unspecified

### H45 Disorders of vitreous body and globe in diseases classified elsewhere

* (H45.0) Vitreous haemorrhage in diseases classified elsewhere
* (H45.1) Endophthalmitis in diseases classified elsewhere
** Endophthalmitis in:
*** cysticercosis
*** onchocerciasis
*** toxocariasis
* (H45.8) Other disorders of vitreous body and globe in diseases classified elsewhere

## H46-H48 Disorders of optic nerve and visual pathways

* (H47.2) Leber's hereditary optic neuropathy — genetic disorder; loss of central vision,.
* (H47.3) Optic disc drusen — globules progressively calcify in the optic disc, compressing the vascularization and optic nerve fibers

## H49-H52 Disorders of ocular muscles, binocular movement, accommodation and refraction

* (H49-H50) Strabismus (Crossed eye/Wandering eye/Walleye) — the eyes do not point in the same direction
** (H49.3-4) Ophthalmoparesis — the partial or total paralysis of the eye muscles
** (H49.4) Progressive external ophthaloplegia — weakness of the external eye muscles
** (H50.0, H50.3) Esotropia — the tendency for eyes to become cross-eyed
** (H50.1, H50.3) Exotropia — the tendency for eyes to look outward
* H52 Disorders of refraction and accommodation
** (H52.0) Hypermetropia (Farsightedness) — the inability to focus on near objects (and in extreme cases, any objects)
** (H52.1) Myopia (Nearsightedness) — distant objects appear blurred
** (H52.2) Astigmatism — the cornea or the lens of the eye is not perfectly spherical, resulting in different focal points in different planes
** (H52.3) Anisometropia — the lenses of the two eyes have different focal lengths
** (H52.4) Presbyopia — a condition that occurs with growing age and results in the inability to focus on close objects
** (H52.5) Disorders of accommodation
*** Internal ophthalmoplegia

## H53-H54.9 Visual disturbances and blindness

* (H53.0) Amblyopia (lazy eye) — poor or blurry vision due to either no transmission or poor transmission of the visual image to the brain
* (H53.0) Leber's congenital amaurosis — genetic disorder; appears at birth, characterised by sluggish or no pupillary responses
* (H53.1, H53.4) Scotoma (blind spot) — an area impairment of vision surrounded by a field of relatively well-preserved vision. See also Anopsia.
* (H53.5) Color blindness — the inability to perceive differences between some or all colors that other people can distinguish
** (H53.5) Achromatopsia / Maskun — a low cone count or lack of function in cone cells
* (H53.6) Nyctalopia (Night blindness) — a condition making it difficult or impossible to see in the dark
* (H54) Blindness — the brain does not receive optical information, through various causes
** (H54/B73) River blindness — blindness caused by long-term infection by a parasitic worm (rare in western societies)
** (H54.9) Micropthalmia/coloboma — a disconnection between the optic nerve and the brain and/or spinal cord

## H55-H59 Other disorders of eye and adnexa

* (H57.9) Red eye — conjunctiva appears red typically due to illness or injury
* (H58.0) Argyll Robertson pupil — small, unequal, irregularly shaped pupils

## Other codes

The following are not classified as diseases of the eye and adnexa (H00-H59) by the World Health Organization:
* (B36.1) Keratomycosis — fungal infection of the cornea
* (E50.6-E50.7) Xerophthalmia — dry eyes, caused by vitamin A deficiency
* (Q13.1) Aniridia — a rare congenital eye condition leading to underdevelopment or even absence of the iris of the eye