Have you ever been watching TV or reading a book and all of a sudden had blurry vision in one eye? Maybe you closed one eye and the picture looked fuzzy or the words on the page became harder to read.

A seemingly harmless nap turned into a life-changing ordeal for a Florida man who lost vision in one eye after sleeping with his contact lenses in. While many contact lens users may have done the same ...

When one eye is deprived of vision early in life, it can lead to amblyopia, a condition more commonly known as lazy eye. This happens because a lack of input disrupts synapse formation in the brain's ...