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Researchers Design Low-Power Sensor to Track Eye Pressure Changes

A team of engineers from the University of Washington has developed a low-power sensor that when implanted in a person’s eye can track changes in eye pressure, and transmit data wirelessly using RF waves. The sensor would allow ophthalmologists to monitor a patient’s eye pressure and proactively diagnose and treat glaucoma.

The device contains a thin, circular antenna that harnesses energy from the field to power a small sensor chip that monitors changes in frequency that correlate with changes in pressure.  The pressure changes are calculated, tracked, and recorded in real-time. The team is currently working to reduce the size of the device to fit in an artificial lens and making it affordable to patients.

Read more about the potential for this low-power sensor to be placed inside the lens of an eye.

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