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Chalazion Learning Center
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A chalazion is a small bump in the eyelid caused by a blockage of a tiny oil gland.
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Styes and chalazia are infections and inflammations of the tiny oil glands on the eyelids. A sty, or external hordeolum, is a common childhood infection of an oil gland on the surface of the upper or lower eyelids at the base of the eyelash. An in...
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