A stye is caused by infection of a gland at the base of an eyelash. It generally causes a lump at the margin of the eyelid, that is inflamed and often painful. Styes are usually caused by ...

Two related conditions, commonly caused by infection and inflammation, can lead to swollen eyelids: If you have a stye, try to put a warm, wet compress on it for five to 10 minutes a few times a day.

A hordeolum is the medical term for a very common eye ailment –– a stye. "At the base of the ... If you have this condition, the upper eyelid will become very swollen and may get a droopy ...