Allergic conjunctivitis is a common eye condition caused by an allergic reaction that affects the conjunctiva, the thin membrane covering the white part of the eye and the inner surface of the eyelids. It occurs when the immune system overreacts to allergens such as pollen, dust mites, pet dander, or mold, triggering symptoms such as itching, redness, watery eyes, and swelling. While allergic...
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