Contact: Michael Woods
American Chemical Society
Caption: A cataract is a clouding of the lens in the eye that affects vision. Most cataracts occur in older persons. By age 80, more than half of all people in the United States either have a cataract or have had cataract surgery.
Credit: (Courtesy of NIH/National Eye Institute)
Usage Restrictions: None
Related news release: American Chemical Society's Weekly PressPac -- Aug. 8, 2007