April 1, 2005
A 3-millimeter-wide chip designed to fit behind the retina has returned a degree of vision to blind rats, a first step towards creating a system for humans.
The patient would wear goggles mounted with a small video camera, which sends the image to a wireless wallet-sized computer for processing. The computer transmits this information to an infrared LED screen on the goggles.
The goggles reflect an infrared image… read more