A stye, sometimes spelled as "sty," is a red, painful bump near the edge of the eyelid. It may look like a pimple or abscess, and it can form on the inside or outside of the eyelid. A stye is actually a localized infection that usually disappears by itself after a few days, although in rare cases, a

A chalazion is the medical term for a slowly developing lump on the eyelid that occurs due to an oil gland blockage. At first, the eyelid may appear to be red, tender and swollen. After several days, the chalazion will form on the eyelid, appearing as a slow growing lump. While it is initially painless