What is a Stye?
A stye, a sty, or a hordeolum is a painful boil on the lower or upper eyelid. Its appearance resembles a pimple or a boil. It forms when an oil-producing gland that provides lubrication for the eye becomes blocked and infected. Usually, a stye is present along the eyelashes as a response to an eyelash follicle infection. It is common to have a stye on one eye, but the infection can affect both eyes.
