What Are Cataracts
As the normal proteins in your eye being to degrade with age, the lens becomes cloudy. This clouding of the lens is known as cataracts. Many people over age 60 have some degree of clouding in their lens, but may or may not present vision problems.
As cataracts progress, however, they typically lead to worsening vision. Treatment options have reduced the number of Americans who go blind from cataracts, but they are still a leading cause of blindness worldwide.