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(Pocket-lint) - Google's Google X team has developed a smart contact lens that can measure glucose levels in people with diabetes. It uses miniaturised electronics like chips, sensors, and a hair-thin antenna to test your tears for glucose.

"We’re now testing a smart contact lens that’s built to measure glucose levels in tears using a tiny wireless chip and miniaturized glucose sensor that are embedded between two layers of soft contact lens material," announced Google on its blog. "We’re testing prototypes that can generate a reading once per second."

Google revealed it is also working toward embedding tiny LED lights, among other things, which would light up to notify you of low or high glucose. The possibilities are endless. Google said it is even looking for partners who are "experts" in bringing a product like a smart lens contact to market.

"These partners will use our technology for a smart contact lens and develop apps that would make the measurements available to the wearer and their doctor," added Google.

As for whether this contact lens prototype is safe healthwise, Google confirmed that it has already completed multiple clinical research studies. The company also said it was in "discussions with the FDA", though it still has a long way to go before this product can go mainstream.

READ: Google Barges aren't for wild parties and dinosaurs, says Google

While Google's wearable prototype is cool, keep in mind that a smart contact lens is not new: Microsoft and the University of Washington actually worked on a similar project in 2011.

Writing by Elyse Betters. Originally published on 17 January 2014.