Lester, who’s now 66, has been blind for half of his life due to a condition called retinitis pigmentosa. One month after an electrictronic stimulator was surgically implanted in his left eye, Duke eye surgeon, Dr. Paul Hahn, turned it on for the first time. While it doesn’t give Lester the “standard” perfect vision, the device – created at the Duke Eye Center – enables him to have light-and-dark differentiation.
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Lester is now the seventh person in the U.S. to receive a successful Argus II Retinal Prosthesis System, which was approved by the FDA. Although this retinal prosthesis is only in it’s infancy, think how many visually impaired could receive the gift of sight as models of the device advance. Pretty amazing stuff.
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