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Bionic eye approved for use in the U.S. (2:48) 

An implant attached to the retinas of people blinded by Retinitis Pigmentosa is allowing them to see, in many cases, for the first time in years. The implant, approved for use in the United States on February 14, is part of a technology called Argus II which creates visual signals with stimuli sent directly from the implant to the brain. Natalie Brunell reports.

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