Medically reviewed by Christine L. Larsen, MD An eyelid bump is often a stye, a pimple-like bump that can be uncomfortable or ...

But it can be painful with a reddened swelling that causes much anxiety. A sty is a localised infection in the glands within the eyelid. It can occur externally and manifest as a tender red nodule ...

According to the American Academy of Ophthalmology (AAO), when you first get a stye, your eyelid can be red and tender to the touch. Additionally, your eye may also feel sore and scratchy.

The result is a stye, which is basically an eyelid pimple. Styes can crop up on upper or lower eyelids, and while most are on the outer edge, there are styes - called internal hordeolums - that ...