What you need to know about the many causes of fuzzy, unfocused eyesight.

These five surprising foods will help keep your eyes healthy and your vision sharp.

Dry eye is a condition in which inadequate tear production leads to eyes that burn, sting, or feel gritty, among other symptoms.  While there are multiple causes, one to consider is medication. A surprising number of over-the-counter and prescription meds can cause dry eye.

Sleep problems, your period, your perfume, your diet soda habit—find out about these and other surprising causes of puffy, swollen eyes, so you can get rid of the puffiness fast and help prevent the blowfish look from returning.