Glucose-sensing contact lenses

  Dr. Jun Hu from the University of Akron and his team of scientists have developed a color-changing contact lens that can detect levels of glucose in tears. Working like a pH paper, if there is an excess of glucose in the body, the contact lens will alert the wearer by changing colors.  The lens will be coupled with a smartphone app and camera to calculate the sugar concentration in the wearer’s tears.  With the new lenses, the wearer will feel no discomfort while continuously monitoring their blood sugar levels.

(Source: University of Akron)

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