Bionic Vision May Soon Be a Reality, But Its Ethical Future Is Cloudy LinksFever
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For more than a decade, researchers have been trying to figure out how they can cure blindness with a bionic eye - or what scientists like to call a prosthetic retina.

And they have come a long way. Bionic vision technology has already been able to restore some visual perception in patients who are otherwise rendered completely blind from diseases like macular degeneration or retinitis pigmentosa.