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.

Add Yahoo as a preferred source to see more of our stories on Google. As we age, vision changes can make it difficult to do everything from read small print on restaurant menus to drive in dim light.

Astigmatism occurs when the eye is shaped more like an oval than a sphere, which distorts the light that enters causing blurry vision. Astigmatism is fairly common, affecting about one in three ...

Exophoria is the term for one eye drifting uncontrollably outwards. Exophoria may cause blurred or double vision, eye fatigue, and difficulty focusing on objects. Exophoria is a problem with eye ...