How do you cure a sty?

See your doctor for antibiotic medication to cure it.

its when an eyelash comes out and a bit of dirt goes in where the eyelash came out and it forms a sty

A sty is a little bump you get ON either eye on bottom eye lid or bottom. You know that it is a sty when you see a bump and it itches. When you have a sty put a hot towel lay it on your eye keep it...

cure (a treatment that removes the underlying cause of a condition)

A sty or pigsty, the small-scale outdoor enclosure for raising pigs