Blindness And Impaired Vision - Videos

NBC's Robert Bazell reports on how a real-life bionic eye could be a life-changing medical breakthrough for many Americans.

NBC's Stacey Weaver introduces to a school principal in Pennsylvania who's slowly and irrevocably losing his sight.

Maria and a bunch of her classmates from the Overbrook school of the blind are getting all dolled by other students studying cosmetology at Delaware county technical school in Folcroft.

John has age related macular degeneration. It's the leading cause of blindness in seniors, with more than 10-million people in the u-s coping with reduced vision because of it.

One out of every four school-age children has a vision impairment. Yet these problems often go undiagnosed and untreated.