Powered by light, this retinal implant was invented by a group of scientists at Stanford University. It sends information to the brain by stimulating nerves behind the eye, and it’s helped at least two men gain some sight back. Know more.


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Powered by light, this retinal implant was invented by a group of scientists at Stanford University. It sends information to the brain by stimulating nerves behind the eye, and it’s helped at least two men gain some sight back. Know more.