"It's like watching TV on a screen with just 60 pixels."
And it's not for everyone. The optic nerve must be intact, for example.
So ... not perhaps not what you expected when you read the heading. But it's a start & allows enough vision for the patient to move around. Better than total blindness.
http://www.dvice.com/2013-2-14/partially-blind-can-now-officially-get-bionic-eyes / Second Sight's Argus II bionic eye officially approved for use U.S.A. U.S. US USA Food and Drug Administration FDA advisory panel benefits helping cure partial blindness outweighed possible safety problems post-surgical infections artificial retina embedded electrodes surgically implanted into the eye pair glasses equipped camera visual processor video camera captures footage images processor relays feed bionic eye allowing impaired wearer to see doesn't restore complete vision /
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