Your contact lenses or a sensor implanted in your brain could some day send health updates to your smartphone and even your doctor.

A new technology called interscatter communication that’s being developed at the University of Washington would allow small devices, such as contact lenses, implantable sensors and credit cards, to communicate with everyday devices, like smartphones and smart watches.

“Wireless connectivity for implanted devices can transform how we manage chronic diseases,” said UW researcher Vikram Iyer, in a statement. “For example, a contact lens could monitor a diabetics blood sugar level in tears and send notifications to the phone when the blood sugar level goes down.”

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