What Is Eye Swelling?
Eye swelling usually refers to a swollen eyelid. Because eyelid skin is thin and loose, it can swell significantly when irritated. Common causes include allergies, chalazion (clogged oil gland), conjunctivitis (pink eye), stye, preseptal or orbital cellulitis, blepharitis, shingles and thyroid disease like Graves'. Swelling can also result from general fluid retention or insect bites.
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