Eye disease

H00–H06 Disorders of eyelid, lacrimal system and orbit

• Ectropion
• Lagophthalmos
• Blepharochalasis
• Ptosis
• Stye, an acne type infection of the sebaceous glands on or near the eyelid.
• Xanthelasma of eyelid
• Parasitic infestation of eyelid in diseases classified elsewhere
• * Dermatitis of eyelid due to Demodex species
• * Parasitic infestation of eyelid in:
• ** leishmaniasis
• ** loiasis
• ** onchocerciasis
• ** phthiriasis
• Involvement of eyelid in other infectious diseases classified elsewhere
• * Involvement of eyelid in:
• ** herpesviral infection
• ** leprosy
• ** molluscum contagiosum
• ** tuberculosis
• ** yaws
• ** zoster
• Involvement of eyelid in other diseases classified elsewhere
• * Involvement of eyelid in impetigo
• Dacryoadenitis
• Epiphora
• 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

• Conjunctivitis – inflammation of the conjunctiva commonly due to an infection or an allergic reaction
• Conjunctival concretion – development of hard deposits under the eyelid

  H15–H22 Disorders of sclera, cornea, iris and ciliary body

• Scleritis – a painful inflammation of the sclera
• Keratitis – inflammation of the cornea
• Corneal ulcer / Corneal abrasion – loss of the surface epithelial layer of the eye's cornea
• Snow blindness / Arc eye – a painful condition caused by exposure of unprotected eyes to bright light
• Thygeson's superficial punctate keratopathy
• Corneal neovascularization
• Fuchs' dystrophy – cloudy morning vision
• Keratoconus – degenerative disease: the cornea thins and changes shape to be more like a cone than a parabole
• Keratoconjunctivitis sicca – dry eyes
• Iritis – inflammation of the iris
• Uveitis – inflammatory process involving the interior of the eye; Sympathetic ophthalmia is a subset.

  H25–H28 Disorders of lens

• Cataract – the lens becomes opaque
• Myopia – close object appears clearly, but far ones do not
• Hypermetropia – Nearby objects appears blurry
• Presbyopia – inability to focus on nearby objects

  H30–H36 Disorders of choroid and retina

H30 Chorioretinal inflammation

• Focal chorioretinal inflammation
• * Focal:
• ** chorioretinitis
• ** choroiditis
• ** retinitis
• ** retinochoroiditis
• Disseminated chorioretinal inflammation
• * Disseminated:
• ** chorioretinitis
• ** choroiditis
• ** retinitis
• ** retinochoroiditis
• Posterior cyclitis
• * Pars planitis
• Other chorioretinal inflammations
• * Harada's disease
• Chorioretinal inflammation, unspecified
• * Chorioretinitis
• * Choroiditis
• * Retinitis
• * Retinochoroiditis

  H31 Other disorders of choroid

• Chorioretinal scars
• * Macula scars of posterior pole
• * Solar retinopathy
• Choroidal degeneration
• * Atrophy
• * Sclerosis
• ** Excludes: angioid streaks
• Hereditary choroidal dystrophy
• * Choroideremia
• * Dystrophy, choroidal
• * Gyrate atrophy, choroid
• ** Excludes: ornithinaemia
• Choroidal haemorrhage and rupture
• * Choroidal haemorrhage:
• ** NOS
• ** expulsive
• Choroidal detachment
• Other specified disorders of choroid
• Disorder of choroid, unspecified

  H32 Chorioretinal disorders in diseases classified elsewhere

• Chorioretinal inflammation in infectious and parasitic diseases classified elsewhere
• * Chorioretinitis:
• ** syphilitic, late
• ** toxoplasma
• ** tuberculosis
• Other chorioretinal disorders in diseases classified elsewhere

  H33 Retinal detachments and breaks

• Retinal detachment with retinal break
• * Rhegmatogenous retinal detachment
• 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
• *** microcystoid degeneration of retina
• Serous retinal detachment
• * Retinal detachment:
• ** NOS
• ** without retinal break
• *** Excludes: central serous chorioretinopathy
• 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
• ** peripheral retinal degeneration without break
• Traction detachment of retina
• * Proliferative vitreo-retinopathy with retinal detachment
• Other retinal detachments

  H34 Retinal vascular occlusions

H35 Other retinal disorders

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

  H36 Retinal disorders in diseases classified elsewhere

• Diabetic retinopathy

  H40–H42 Glaucoma

• * Primary open-angle glaucoma
• * Primary angle-closure glaucoma
• * Primary Normal tension glaucoma

  H43–H45 Disorders of vitreous body and globe

H43 Disorders of vitreous body

• Vitreous prolapse
• * Excludes: vitreous syndrome following cataract surgery
• Vitreous haemorrhage
• Crystalline deposits in vitreous body
• Other vitreous opacities
• * Vitreous membranes and strands
• Other disorders of vitreous body
• * Vitreous:
• ** degeneration
• ** detachment
• ** Excludes: proliferative vitreo-retinopathy with retinal detachment
• Disorder of vitreous body, unspecified

  H44 Disorders of globe

• Purulent endophthalmitis
• * Panophthalmitis
• * Vitreous abscess
• Other endophthalmitis
• * Parasitic endophthalmitis NOS
• * Sympathetic uveitis
• Degenerative myopia
• Other degenerative disorders of globe
• * Chalcosis
• * Siderosis of eye
• Hypotony of eye
• Degenerated conditions of globe
• * Absolute glaucoma
• * Atrophy of globe
• * Phthisis bulbi
• Retained intraocular foreign body, magnetic
• * Retained magnetic foreign body :
• ** anterior chamber
• ** ciliary body
• ** iris
• ** lens
• ** posterior wall of globe
• ** vitreous body
• Retained intraocular foreign body, nonmagnetic
• * Retained foreign body :
• ** anterior chamber
• ** ciliary body
• ** iris
• ** lens
• ** posterior wall of globe
• ** vitreous body
• Other disorders of globe
• * Haemophthalmos
• * Luxation of globe
• Disorder of globe, unspecified

  H45 Disorders of vitreous body and globe in diseases classified elsewhere

• Vitreous haemorrhage in diseases classified elsewhere
• Endophthalmitis in diseases classified elsewhere
• * Endophthalmitis in:
• ** cysticercosis
• ** onchocerciasis
• ** toxocariasis
• Other disorders of vitreous body and globe in diseases classified elsewhere

  H46–H48 Disorders of optic nerve and visual pathways

• Leber's hereditary optic neuropathy – genetic disorder; loss of central vision,.
• 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

• Strabismus – the eyes do not point in the same direction
• * Ophthalmoparesis – the partial or total paralysis of the eye muscles
• * Progressive external ophthalmoplegia – weakness of the external eye muscles
• * Esotropia – the tendency for eyes to become cross-eyed
• * Exotropia – the tendency for eyes to look outward
• H52 Disorders of refraction and accommodation
• * Hypermetropia – the inability to focus on near objects
• * Myopia – distant objects appear blurred
• * Astigmatism – the cornea or the lens of the eye is not perfectly spherical, resulting in different focal points in different planes
• * Anisometropia – the lenses of the two eyes have different focal lengths
• * Presbyopia – a condition that occurs with growing age and results in the inability to focus on close objects
• * Disorders of accommodation
• ** Internal ophthalmoplegia

  H53–H54.9 Visual disturbances and blindness

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