In Germany, created an artificial bionic retina
26 Nov 2010
German scientists have developed implantable artificial retina. In the experiment, it is partially restored vision three patients, blind due to hereditary retinal dystrophy, writes British newspaper The Daily Telegraph.
Previous devices with a similar purpose is a camera and a processor, which must be worn like glasses. Bionic implants developed by Retinal Implant AG together with the Institute for Ophthalmic Research at the University of Tübingen, is implanted directly under the retina and uses the optical apparatus of the eye. Thus, it is a direct replacement for the lost light receptors.
Prepared by the bionic retina black and white image is stable and corresponds to the movements of the eyeball.
Three of the patients who participated in the test, the appliance, a few days after the operation were able to distinguish the shapes of objects. One of them vision has improved so much that he began to walk freely around the room, approach people, to see the clock, and distinguish between seven shades of gray.
According to Professor Eberhart Zrenner, head of the University Eye Hospital Tuebingen, pilot tests proved that the implant is able to restore sight to people with retinal dystrophy in sufficient volume for everyday life. However, he said, the introduction of devices into clinical practice will take time.
Bionic retina, according to scientists, can be applied in retinitis pigmentosa and other degenerative diseases of the retina.
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