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Stye
A stye is a little lump on the eyelid caused by a swollen gland.

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Styes

A stye develops when small glands located along the edge of the upper or lower eyelid become inflamed or infected. Swelling occurs at the base of the eyelashes, followed by the appearance of a small red pimple on the rim of the eyelid. Styes form most commonly on the upper eyelid.
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