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 ...