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The system sends small light pulses to the retinas remaining cells, bypassing damaged photoreceptors, and stimulating the few remaining retinal cells. These cells then transmit this visual information along the optic nerve to the brain, allowing the person to perceive light patterns, and eventually see again.

This visual prosthetic helps the blind to see

Research suggests that new visual prostheses can help these people restore visual signals to their brain.

2 Dec 2016 12:05 AM IST