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Light-powered bionic eye invented to help restore sight

By James Gallagher

Health and science reporter, BBC News

A retinal implant - or bionic eye - which is powered by light has been invented by scientists at Stanford University in California.

Implants currently used in patients need to be powered by a battery.

The new device, described in the journal Nature Photonics, uses a special pair of glasses to beam near infrared light into the eye.

This powers the implant and sends the information which could help a patient see.

Full story.

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