what is a stye in eye
Stye Overview. A stye (or sty) is an acute infection of the secretory glands of the eyelids. Frequently, bacteria can enter and infect an eyelid oil gland, which are present in both the upper and lower eyelids, causing inflammation, pain, and redness of the eyelid, and even redness of the surrounding eyelid and cheek tissue. The medical term for stye is hordeolum.