a. Inflammation of vessels lining the episclera (the lining just beneath the conjunctiva) b. Thought to be an autoimmune process—may be seen with connective tissue diseases, but usually idiopathic c. Causes redness, irritation, dull ache, and possible watery discharge d. The sclera may appear blotchy with areas of redness over the episcleral vessels e. It is usually self-limited; NSAIDs may provide symptomatic relief f. Refer the patient for evaluation by an ophthalmologist