The Artificial Vision Endgame
Skip the retina and the optic nerve – and stimulate the brain directly
Glaucoma surgeons joke that, “If all else fails, soon we’ll be able to give our patients brain implants to keep them seeing.” They have a point – if optic nerve function is lost, then no retinal prosthesis is going to help. Indeed, if a retina is so damaged by disease that its bipolar and ganglion cells fail to function properly, it’s clear that no “bionic eye” could ever help. And so ever since the 1920s (1), people have been working towards a visual prosthesis for the visual cortex of the brain.
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