Bionic Eye Implant Approved for U.S. Patients

A prosthetic device that can restore some sight to the blind has been approved by the U.S. Food and Drug Administration. The company that makes the device, Second Sight, based in Sylmar, Calif., can now market the retinal prosthetic to patients with advanced retinitis pigmentosa, a degenerative eye disease that can cause blindness. This is the first approved treatment for the disease in the United States.

This enables people who are completely blind to see enough to improve their mobility, says Mark Humayun, a professor of biomedical engineering at the University of Southern California in Los Angeles who has been developing the device for the past 25 years. It allows people to ma…
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