Keratoconjunctivitis

Keratoconjunctivitis

Goat keratoconjunctivitis
Classification and external resources
Specialty	ophthalmology
ICD-10	H16.2
ICD-9-CM	370.40

Keratoconjunctivitis is inflammation ("-itis") of the cornea and conjunctiva.

When only the cornea is inflamed, it is called keratitis; when only the conjunctiva is inflamed, it is called conjunctivitis.

There are several potential causes of the inflammation:

Keratoconjunctivitis sicca is used when the inflammation is due to dryness. ("Sicca" means "dryness" in medical contexts.) It occurs with 20% of rheumatoid arthritis patients.
The term "Vernal keratoconjunctivitis" (VKC) is used to refer to keratoconjunctivitis occurring in spring, and is usually considered to be due to allergens.
"Atopic keratoconjunctivitis" is one manifestation of atopy.
"Epidemic keratoconjunctivitis" is caused by an adenovirus infection.
"Infectious bovine keratoconjunctivitis" (IBK) is a disease affecting cattle caused by the bacteria Moraxella bovis.
"Pink eye in sheep and goat" is another infectious keratoconjunctivitis of veterinary concern, mostly caused by Chlamydophila pecorum^[1]
"Superior limbic keratoconjunctivitis" is thought to be caused by mechanical trauma.
"Keratoconjunctivitis photoelectrica" (arc eye) means inflammation caused by photoelectric UV light. It is a type of ultraviolet keratitis. Such UV exposure can be caused by arc welding without wearing protective eye glass, or by high altitude exposure from sunlight reflected from snow ("snow blindness"). The inflammation will only appear after about 6 to 12 hours. It can be treated by rest, as the inflammation usually heals after 24–48 hours. Proper eye protection should be worn to prevent keratoconjunctivitis photoelectrica.

References

Look up keratoconjunctivitis in Wiktionary, the free dictionary.

Inflammation	Stye Chalazion Blepharitis

Entropion Ectropion Lagophthalmos Blepharochalasis Ptosis Blepharophimosis Xanthelasma

Eyelash	Trichiasis Madarosis

Sclera	Scleritis Episcleritis

Cornea	Keratitis herpetic acanthamoebic fungal Corneal ulcer Photokeratitis 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 neovascularization Kayser–Fleischer ring Haab's striae Arcus senilis Band keratopathy

Iris Ciliary body	Uveitis Intermediate uveitis Hyphema Rubeosis iridis Persistent pupillary membrane Iridodialysis Synechia

Choroid	Choroideremia Choroiditis Chorioretinitis

Other

Optic neuritis optic papillitis Papilledema Foster Kennedy syndrome Optic atrophy Optic disc drusen

Optic neuropathy	Ischemic anterior (AION) posterior (PION) Kjer's Leber's hereditary Toxic and nutritional

Ophthalmoparesis Chronic progressive external ophthalmoplegia Kearns–Sayre syndrome

palsies	Oculomotor (III) Fourth-nerve (IV) Sixth-nerve (VI)

Other binocular

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

Other

Infections

Trachoma Onchocerciasis

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