Electronic implants which restore sight to the blind arent anything new, but one of their major stumbling blocks has been the need for an external power source. Now, thats about to change, because a team of researchers has built a digital implant out of infrared-slurping photovoltaic pixels—so it can power itself.Digital eye implants are designed to replace the light-sensing receptors on the retina, which become damaged by diseases such as such as age-related macular degeneration and retinal pigmentosa, eventually causing blindness. The implants usually take the form of miniature CCD arrays, just like those found in digital cameras, which can be wired into the optic nerve to provide a sensation similar to that of real sight.
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