A stye develops as a result of an infected eyelash follicle and appears as a redness or pimple at the base of the lash. Whereas a chalazion is a cyst on the eyelid caused by a blocked gland. “Parents ...

A stye is a bacterial infection that causes a swollen bump to form on the base of the eyelash or eyelid. These bumps form like pimples, and can usually be treated at home. Here's what you should ...