A stye (medical term: hordeolum) is a common eye condition characterized by a small, painful lump or bump on the edge of the eyelid. It occurs when the oil glands at the base of the eyelashes (called ...

Other stye symptoms include: Eyelid swelling Eyelid redness or tenderness Crusting around the eye Tearing from the eye The sensation of having something in the eye How to treat it: The main ...

Source: Focus Medica. A small red, painful lump in the edge of the eyelid. Stye is usually caused by bacterial infection. It may be present inside or outside the eyelid on one or both eyes and is ...