A chalazion and a hordeolum are both bumps on the eyelid. A hordeolum, also called a stye, is caused by bacterial infection, while a chalazion results from an obstructed gland. Knowing whether you ...

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 ...

Sometimes a chalazion can be confused with a stye. Chalazia are painless, not caused by an infection, and form in the eyelid. Styes are tender or painful, caused by an acute bacterial infection ...