Original Article
By PAM BELLUCK
The F.D.A. Approves a Bionic Eye: The Argus II allows Barbara Campbell, who lost her sight 20 years ago, to see the world through patterns of light. Scientists hope it is the beginning of even more treatments
The Food and Drug Administration on Thursday approved the first treatment to give limited vision to people who are blind, involving a technology called the artificial retina.
The device allows people with a certain type of blindness to detect crosswalks on the street, the presence of people or cars, and sometimes even large numbers or letters. The approval of the system marks a milestone in a new frontier in vision research, a field in which scientists are making strides with gene therapy, optogenetics, stem cells and other strategies.
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