what causes a chalazion to develop, treatment, removal, and more. It can sometimes be difficult to tell the difference between a chalazion and a sty. Both look like bumps or cysts, but they are ...

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 ...