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a chronic, bilateral conjunctival inflammation with photophobia and intense itching that recurs seasonally during warm weather; characterized in the palpebral form by cobblestone papillae in the upper palpebral conjunctiva and in the bulbar form by gelatinous nodules adjacent to the corneoscleral limbus.
an ocular inflammatory disease caused by allergic reaction, often occurring in the spring but sometimes year-round. It is characterized by the presence of cobblestonelike bumps on the upper eyelid. There may also be swelling and thickening of the conjunctiva, a mucus discharge, itching, and sensitivity to light.