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Researchers Implant Bionic Eye
Friday, August 31, 2012 5:41
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Content: A team of scientists in Australia have announced a breakthrough in eye sight restoration. They have successfully restored partial vision in a woman using a bionic eye. Dianne Ashworth suffers from an inherited condition called retinitis pigmentosa, which causes severe vision loss. Dianne was fitted with the prototype back in May at the Royal Victorian Eye and Ear Hospital in Melbourne. Built by the Australian Bionics Institute, the device was switched on in July, after she had recovered from her surgery. [Dianne Ashworth, Patient] “It was really funny when it switched on I was waiting, waiting. I had these goggles on and I didn't know what to expect and I don't know if anyone did know what I was going to see and then all of a sudden I went 'yep' I could see a little flash and it was like a little, I suppose, a splinter.” The flash of light started to started to become lines and shapes. [Dianne Ashworth, Patient] “I can remember when the first bigger image came I just went 'Wow,' because I just didn't expect it at all but it was amazing.” Using 24 electrodes wired to the back of the ear, the artificial retina stimulates cells to transmit information to the brain. It would allow patients to see sharp contrasts and edges. [Dr. Lauren Ayton, Centre for Eye Research “With the prototype the idea is to stimulate the retina to give little spots of light, which are called phosphenes, and so, with her implant, Di will be able to see a number of spots in different locations …
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2012-08-31 05:30:38
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