Implant Lets Blind Eyes See Braille

For the first time, blind people could read street signs with a device that translates letters into Braille and beams the results directly onto a person’s eye.

The technology is a modification of a previous device, Argus II developed by Second Sight, which has been implanted on 50 patients, many of whom can now see colours, shapes, and movements. The complicated device uses a camera attached to a pair of glasses, a small processor to convert the signal of the camera into electrical stimulation, and a microchip with electrodes attached directly to the person’s retina — via

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