"We're stimulating areas of the retina that are downstream from the rod and cone cells… [to] directly send impulses to the brain."

Watch this beautiful video by National Geographic about Jo Ann Lewis, the 17th recipient of a bionic eye implant. The video shows the surgery itself, so it may be unsettling to some. Because I know the surgeon is making a blind woman see, the gore a non-issue for me. From a technical standpoint, it’s a rare and fascinating close-up of a procedure to wire up a sensor to a human nerve.

The name of the surgeon is Rand Spencer, M.D., and we need many more like him.

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