An eyelid bump is often a stye, a pimple-like bump that can be uncomfortable or unsightly but goes away on its own. Other causes include milia (milium), chalazion, or, in rare cases, skin cancer.

If you’ve ever encountered what looked like a pimple along your eyelid, chances are you’ve had a stye. The best way to address one is by keeping the eyelid clean and moisturized — just like ...