Glowing Contact Lens could Prevent Leading Cause of Blindness

Hundreds of millions of people suffer from diabetes worldwide, putting them at risk for a creeping blindness, or diabetic retinopathy, that comes with the disease in its more advanced stages. Existing treatments, though effective, are painful and invasive, involving lasers and injections into the eyeball. Caltech graduate student Colin Cook (MS ‘16) thinks there’s a better way.

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