Episcleritis

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External and internal eye anatomy

Episcleritis is irritation and inflammation of the episclera, a thin layer of tissue covering the white part (sclera) of the eye. It occurs without an infection.

Episcleritis is a common condition that is usually mild.

The cause is usually unknown, but it may occur with certain diseases, such as:

• Herpes zoster
• Rheumatoid arthritis
• Sjogren syndrome
• Syphilis
• Tuberculosis

Review Date: 08/03/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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