Five days earlier, his mother noted the presence of a small bump on his right lower eyelid, as well as some associated redness of the overlying skin and conjunctiva. She called her primary clinic and ...

A stye (also known as a hordeolum) is a painful, red lump that forms on the outer edge of an eyelid. It's typically caused by a bacterial infection in an oil gland or eyelash follicle. While ...