Our ability to see colors develops in the womb. Now scientists have replicated that process, which could help accelerate efforts to cure colorblindness and lead to new treatments for diseases.
Ten years ago, there wasn't much doctors could do to keep people with age-related macular degeneration from going blind. A colon cancer drug changed all that. But not everyone's vision has been saved.
The U.S. Preventive Services Task Force says there isn't enough evidence to know whether vision screening given by primary care doctors benefits patients.
Losing vision due to macular degeneration can spark many other losses, and patients are more apt to be depressed. An eye doctor discovers there are things she can do to help.