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New Implant Could Help Regrow Nerves |
| Section: NATURAL SCIENCE / SCIENCE AND SOCIETY |
| Author: Charles Choi |
| Publication: The world & I online |
| Issue Date: 2/1/2005 |
| Size: 848 Words, 5,308 Characters |
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New medical implants someday could restore vision by prompting nerve cells to grow closer to them, scientists told United Press International. The novel method also could lead to prosthetics to help damaged nerves in the spinal cord, limbs, ears, and elsewhere.
Research groups around the world are inventing and refining prosthetic devices that can restore vision in patients with damage to their retina, the delicate membrane lining the back of the eyeball that transmits data from light signals to the brain. For instance, in the condition known as age-related macular degeneration--the most common cause of blindness in patients fifty-five and older, affect...
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...addition, the experiments were conducted with cells from baby rats, and further work needs to examine how well the devices help with adult cells or diseased cells, as well as with human tissues.
Vis-X, of Santa Clara, California, has licensed this technology and is trying to develop it into a product "so we can start putting it in humans," Fishman said.
© 2004 United Press International
(670 of 5,308 characters)
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