Cataract, a clouding of the lens of the eye, is the leading cause of vision loss in people older than 55. More than half have some degree of cataract development, and more than half of people over age 80 either have a cataract or have had cataract surgery.
If you smoke, have diabetes, or have a family history of cataracts, you’re at increased risk for developing them yourself. In 2009 researchers identified several genetic mutations that are associated with age-related cataracts. [Read more…]