Some children are born with bad eyesight, but it can develop later for others. Knowing if your child has a vision problem, especially before they’re able to speak, can be challenging.

A stye, or hordeolum, is an inflamed oil gland caused by bacteria, most commonly staphylococcus, that typically resides on the eyelids. When infected, the gland appears as a red, swollen nodule that is tender to the touch.