This undated product image provided by Second Sight Medical Products shows a small video camera and transmitter mounted on a pair of glasses. Images from the camera are processed into electronic data that is wirelessly transmitted to electrodes implanted into the patient's retina. The FDA approved the device on Thursday, Feb. 14, 2013, from Second Sight Medical Products for patients 25 years and older. (AP Photo/ Second Sight Medical ProductsA) less
