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Artificial retinas give the blind only the barest sense of what’s visible, but researchers are working hard to improve that.
A stretchable circuit allows researchers to make simple, high-quality camera sensors.
A light-sensitive polymer could offer a new way to develop artificial retinas.
A surgery-free prosthetic retina restores vision in blind mice and raises the prospects for something similar in people.
A device that uses no externally visible gear enables patients to read letters and see faces.
An improved retinal implant stimulates neurons to restore sight.