This Retinal Implant Has Given Sight to Nine Blind People

A man walks out of a restaurant into the night and sees street lights and brightly lit shop windows. He's so thrilled by the spectacle that he stands there for 10 minutes, just looking. The reason for his joy at such a mundane sight is the fact that he is normally totally blind. » 2/21/13 6:54am 2/21/13 6:54am