http://ideas.eyeconx.net/story.php?title=light-powered-bionic-eye-invented-to-help-restore-sight- 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 ... Thu, 30 Aug 2012 10:38:40 EDT en