Common Causes Of Iritis

Sarcoidosis

Sarcoidosis is a disease where multiple organs around the body are affected by inflammation. The most common organs affected include the lungs and the lymph nodes. Sarcoidosis is considered an autoimmune disease where the immune system abnormally attacks its own healthy tissues in several organ systems and regions throughout the body. Sarcoidosis can have ophthalmologic and ocular manifestations as the disease progresses to its severe stages. Ocular sarcoidosis can involve any part of the eye and any adjacent regions. It can cause eyelid abnormalities, optic neuropathy, orbital inflammation, cataracts, glaucoma, episcleritis, conjunctival granuloma, lacrimal gland enlargement, and uveitis. Iritis occurs because the immune system cells abnormally attack the iris, causing it to become inflamed. Often times, iritis caused by ocular sarcoidosis is treated using topical corticosteroids to reduce the abnormal inflammatory response of the immune system.

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