A milium is a white bump caused by dead skin cells trapped under your skin. You can typically prevent eyelid bumps by always washing your hands before touching your face. Most bumps on the eyelids ...

A pimple on your eyelid usually isn't acne — it's probably a stye, chalazion, or xanthelasma. A stye is a round, red bump that can be treated with a warm compress to drain the pus. A chalazion ...

This bump can also occur inside of the eyelid ... It causes inflammation of the membrane which lines your eyelid and the white part of the eye, leading to pain and redness in the whites of ...