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January 25, 2018 12:00 pm

Scientists Develop Glucose-Tracking Smart Contact Lenses Comfortable Enough To Wear

A team of Korean scientists have developed a smart lens that could help diabetics track blood glucose levels while remaining stretchable enough to be comfortable and transparent enough to preserve vision. Engadget reports: The lens achieves its flexibility thanks to a design that puts its electronics into isolated pockets linked by stretchable conductors. There's also an elastic material in between that spreads the strain to prevent the electronics from breaking when you pinch the lens. And when the refractive indices all line up, you should get a lens that's as transparent as possible and largely stays out of your way. The sensor in question is straightforward: an LED light stays on as long as glucose levels are normal, and shuts off when something's wrong. Power comes through a metal nanofiber antenna that draws from a nearby power source coil. That's about the only major drawback -- the low conductivity of the antenna means that you can't just tuck the coil wherever it's convenient. The co-author of the study, Jang-Ung Park, told IEEE Spectrum that a commercial version of the contact lens should arrive within the next five years.

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Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/ezAO3NezD3I/scientists-develop-glucose-tracking-smart-contact-lenses-comfortable-enough-to-wear

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