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 chalazion is not typically painful and does not always cause swelling. On the other hand, a sty is very painful. Since it is related to an infection, it can cause swelling in the entire eyelid.

A chalazion most often occurs on the upper eyelid near the eyelashes. Over several days, the bump can enlarge to the size of ...

because this can spread the infection and slow the healing process. Wearing contact lenses or makeup, as these can carry bacteria. 2. Chalazion In some cases, a stye can turn into a chalazion if ...