Scientists, eye surgeons, professors and students at the University of Washington have developed a contact lens that contains built-in LED, powered wirelessly with radio frequency waves. Eventually, it can provide a wealth of information like virtual captions scrolling, monitor vital signs. To ensure the lens is safe to wear, tests have been made on rabbits, but there is still further testing to complete in order to get approval from the Food and Drug Administration. One of the challenges is loading computational power into the small device.
Reference: Wired
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