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Scientists Develop Glucose-Tracking Smart Contact Lenses Comfortable Enough To Wear (engadget.com)
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.
Alternately, if you don't let the doctor remove your pancreas when needed, you won't have diabetes in the first place.
Of course, you may be dead, but that's a small price to pay for no diabetes, right?
Yes, some of us have diabetes for reasons completely unrelated to eating junk....
"I do not agree with what you say, but I will defend to the death your right to say it"
With a lot more details and illustrations. As the summary hinted, the big issue appears to be how close the wireless power coil has to be to the lens: 5mm in testing.
http://advances.sciencemag.org...