The two most common lumps in the eyelid are a hordeolum, which most people call a stye, and a chalazion. Though the two are different, they’re treated in pretty much the same way. A stye occurs when ...

Medically reviewed by Johnstone M. Kim, MD Key Takeaways An eye stye happens when bacteria enter the oil glands in the eyelid.Conjunctivitis or pink eye is an inflammation that can cause swollen ...