A cataract is a cloudy area in the lens of your eye. Cataracts happen for many reasons, including natural changes in your eyes as you age. Learn about the 5 main types of cataracts.| www.nei.nih.gov
A cataract is a cloudy area in the lens of your eye. More than half of all Americans age 80 and older either have had cataracts or have had surgery to get rid of cataracts. Learn about the types, symptoms, and causes of cataracts and how your doctor will diagnose and treat them.| www.nei.nih.gov