...via algae?
A blind man had genes that code for light-sensitive proteins in algae inserted into his retina, and now he can see. Not perfectly...he has to wear glasses and can't see color or read, but he can now safely navigate the world without a white cane.
It's the first step, but also makes me think about Geordi's visor...
(Btw, the goggles are designed to change the color of light to one his new light sensitive cells can recognize).
It's now going to go to clinical trials.
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