Researchers in Canada have developed a novel method that may one day be used to monitor the blood sugar of diabetics: contact lenses.
The contact lenses will continuously monitor blood sugar levels and alert the user that their sugar levels are off by changing color, according to an article published recently in the Times of India. The lenses are made of hydrogel and use very small nano-particles that react with glucose particles found in tears to measure the blood sugar levels.
Details of the lenses and their accuracy at measuring high and low blood sugars are limited, but the article notes that researchers are currently working to improve the technologies.
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