Anterior uveitis

From WikiMD's Wellnesspedia

Other Names: Iridocyclitis

Uveitis is the inflammation of the uvea, the pigmented layer that lies between the inner retina and the outer fibrous layer composed of the sclera and cornea. The uvea consists of the middle layer of pigmented vascular structures of the eye and includes the iris, ciliary body, and choroid. Uveitis is an ophthalmic emergency and requires a thorough examination by an ophthalmologist or optometrist and urgent treatment to control the inflammation. It is often associated with other ocular problems.

Signs and symptoms[edit | edit source]

Ciliary flush
Hypopyon in anterior uveitis, seen as yellowish exudate in lower part of anterior chamber of eye

Anterior uveitis (iritis)[edit | edit source]

Causes[edit | edit source]

Uveitis is usually an isolated illness, but can be associated with many other medical conditions.

In anterior uveitis, no associated condition or syndrome is found in approximately one-half of cases. However, anterior uveitis is often one of the syndromes associated with HLA-B27. Presence of this type of HLA allele has a relative risk of evolving this disease by approximately 15%.

Diagnosis[edit | edit source]

Keratic precipitates

Diagnosis includes dilated fundus examination to rule out posterior uveitis, which presents with white spots across the retina along with retinitis and vasculitis.

Laboratory testing is usually used to diagnose specific underlying diseases, including rheumatologic tests (e.g. antinuclear antibody, rheumatoid factor) and serology for infectious diseases (Syphilis, Toxoplasmosis, Tuberculosis).

Treatment[edit | edit source]

Uveitis is typically treated with glucocorticoid steroids, either as topical eye drops (prednisolone acetate) or as oral therapy. In severe cases an injection of posterior subtenon triamcinolone acetate may also be given to reduce the swelling of the eye. Antimetabolite medications, such as methotrexate are often used for recalcitrant or more aggressive cases of uveitis. Experimental treatments with Infliximab or other anti-TNF infusions may prove helpful. The anti-diabetic drug metformin is reported to inhibit the process that causes the inflammation in uveitis.

The medication(s) listed below have been approved by the Food and Drug Administration (FDA) as orphan products for treatment of this condition.

Difluprednate (Brand name: Durezol) Treatment of endogenous anterior uveitis

NIH genetic and rare disease info[edit source]

Anterior uveitis is a rare disease.


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