It's at a primitive stage at this point with the wearer able to make out shapes to avoid bumping into things. But more advanced eyes are in the works.
A Wired Gaget Lab article tells about it. Excerpt:
Bionic Vision Australia uses an external camera — with resolution of up to 5 megapixels — mounted on a pair of glasses. An electrode array is implanted in the eye and that connects to the central part of the retina where the greatest number of retinal neurons are present. An external unit has vision-processing software to help generate the electrical impulses. The communication between the electrode implant and the external unit is wireless.
The miracle of life improved with the miracles of technology. What a wonderful world this is.
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