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Definition Return to top
Episcleritis is an inflammation (irritation and swelling) of the episclera, a membrane covering the sclera of the eye.Causes, incidence, and risk factors Return to top
The sclera is composed of connective tissue fibers forming the strong white wall of the eye. It is covered by the episclera, a thin layer of tissue containing many blood vessels that nourish the sclera. At the front of the eye, the episclera is covered by the conjunctiva.
Episcleritis is inflammation of the episclera which occurs in the absence of an infection. Episcleritis is usually mild and rarely progresses to scleritis. The cause is usually unknown, but certain diseases such as rheumatoid arthritis, Sjogren's syndrome, syphilis, herpes zoster, and tuberculosis have been associated with episcleritis. It is a common condition.
Symptoms Return to top
Signs and tests Return to top
Eye examination is usually sufficient to diagnose the disorder. No special tests are usually necessary.
Treatment Return to top
The inflammation usually runs its course without treatment in 1 to 2 weeks. Treatment with corticosteroid eye drops may shorten the course of the symptoms.
Expectations (prognosis) Return to top
Episcleritis usually improves without treatment. Treatment may shorten its duration.
Complications Return to top
Calling your health care provider Return to top
Call your health care provider if symptoms of episcleritis persist beyond two weeks. Patients with episcleritis should be re-evaluated if pain worsens or if vision decreases.
Update Date: 7/24/2004 Updated by: Edward B. Feinberg, MD, MPH, Professor and Chair, Department of Ophthalmology, Boston University School of Medicine, Boston, MA. Review provided by VeriMed Healthcare Network.
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Page last updated: 28 October 2004 |