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A New Smart Contact Lens Could Monitor The Glucose in Your Tears in Real-Time

When it comes to keeping your blood sugar in check, people with diabetes have limited options.

Medical researchers have been searching for a noninvasive alternative to the self-administered fingerprick test, or a continuous monitor with a sensor worn under the skin. Now a team of Korean researchers think they have a solution: a contact lens that keeps tabs on the glucose in your tears.

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