Hordeolum (stye)
Summary
A hordeolum or stye is an infection of the sebaceous glands of Zeis at the A hordeolum, or stye, is an inflammation of the sebaceous glands in the eyelid, commonly caused by an S. aureus infection. These glands secrete oily sebum, which helps lubricate and waterproof the skin and hair. The most common symptoms of a hordeolum are redness, swelling, pain, and eyelid tenderness. A hordeolum may also produce a discharge from the eye that is thick and yellow-green.