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    Google’s smart contact lenses to monitor diabetes

    Date:30 June 2014 Author: Alex Hutchinson Tags:, , , , , ,

    Back in 2008 and again in 2012, Popular Mechanics reported on research from University of Washington professor Babak Parviz, who first proposed a contact lens that could integrate an electronic circuit then built an actual lens that contained a single pixel of overlay information and was tested in rabbits.

    Now Parviz is a project leader at Google, which has announced prototype soft smart contact lenses that incorporate electronics (a tiny wireless chip and miniaturised glucose sensor are embedded between two layers of soft contact lens material per unit) that can measure the glucose level in tears. Google is testing prototypes that can generate a reading once per second. This method replaces the finger pricks that diabetics use to monitor their blood-sugar levels.

    Google is also investigating the potential for the smart contact lenses to serve as an early warning for the wearer by integrating tiny LED lights that could light up to indicate that glucose levels have crossed above or below certain thresholds.

    The company has completed multiple clinical research studies, the results of which will be used to refine the prototype.

    Google is in discussions with the FDA about researching and developing the lenses for consumers.

    Source: Official Google Blog

     

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