Solar Powered Eye Implant May Help Blind See
Stanford University researchers have developed a new artificial retina implant that uses photovoltaics to help the blind see. The implant uses tiny photovoltaic cells to provide power to a chip as well as to transmit data through the eye to the brain. This new implant may use the power of the sun to help people who have lost photoreceptor cells. The device is placed behind the retina, an external video camera is used to capture images, a pocket PC is used to process the video, and an LCD display built into video goggles transmits light pulses to the PV device in the eye. These light pulses produce electricity, which transmits data to the brain for processing into a hazy picture. Researchers expect to achieve vision of 20/100, which would produce a picture clear enough that a person could recognize faces and read large print.