Vision changes can happen for a number of reasons, some of which are no major cause for concern, such as dry eye or fatigue. But others are serious enough to warrant a trip to the emergency department ...

You glance up at a blue sky and notice something dark drifting across your view. Or maybe there’s a fixed, shadowy patch that doesn't move at all. Or perhaps a dark curtain seems to be creeping in ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

If you notice a small spot in your pupil while looking in the mirror, experts recommend, “Even if there is no pain, do not ...