What causes a stye Styes are caused by infected oil glands ... According to Tina Singh, MD, an ophthalmologist at Duke Eye Center, it's one of the most common bacteria on the skin, eyelids ...

Medically reviewed by Christine L. Larsen, MD Eye crust forms when mucus, oils, and debris accumulate, often during sleep.

Corneal abrasion pain can be severe and cause sensitivity to light (photophobia) and eye redness. Also known as a hordeolum, a stye is a painful, red bump that forms on or inside the upper or ...