Injection of light-sensitive proteins restores blind man’s vision

^{(24 MAY 2021; nature)}

The first successful clinical test of a technique called optogenetics has allowed a person to see for the first time in decades, with the help of image-enhancing goggles.
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After 40 years of blindness, a 58-year-old man can once again see images and moving objects1, thanks to an injection of light-sensitive proteins into his retina.

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