A stye is a red bump that forms on the eyelid and can look and feel like a big pimple. This bump often feels swollen and painful to the touch. Styes are basically like acne that occurs on the ...

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 ...

Medically reviewed by David Strosberg, MD Chalazion surgery removes a small red bump that develops on the eyelid. The bump, ...