where does a sty on your eye from
Picture of Sty (Stye) A sty (sometimes spelled stye) is a tender, painful red bump located at the base of an eyelash or inside the eyelid. A sty results from an acute infection of the oil glands of the eyelid that occurs after these glands have become clogged. A sty also may arise from an infected hair follicle at the base of an eyelash. Symptoms are generally redness, tenderness, and pain in the affected area. The eye may feel irritated or scratchy..