eye believe by zedzap
New technologies are giving the blind hope for the future. Read the entire article here.There are approximately, 160 million people are affected by blindness or neat-blindness. Barbara Campbell, 56, of New York, just went through a procedure to help her to see again after being blind for 20 years. She has electrodes implanted in her eye and she has to wear a camera on her nose. So far, after the operation, she can differentiate light and dark colored objects like she couldn’t before. The camera is attached to glasses. Whatever the camera see is sent to a video processor Barbara wears at her waist. The processor tells the 60 electrodes in the artifical retina to send messages to the brain, based on brightness, contrast, and contours. Bright lights come in flashes, and silhouettes can be detected. A blind man sees–University of Southern California Links: http://artificialretina.energy.gov/ http://health.howstuffworks.com/artificial-vision1.htm http://www.nytimes.com/2009/09/27/health/research/27eye.html?_r=1&hp
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