LED Displays in Contact Lenses

The University of Washington has been doing some very interesting research involving contact lenses. So far, they have embedded electronics into the lens, allowing diabetes patients to monitor their glucose levels. They use a red LED to provide feedback to the patient. Sounds better than pricking your finger!

They have also introduced a blue LED; they just need to insert one for green and they will have the option for full-color. They’ve been successfully testing on rabbits; no idea when human trials are expected.

This idea opens up many possibilities on the medical front, as well as informational and entertainment. They say that the images projected are semi-transparent, so you can still see your environment.

[from ExtremeTech
[from IEEE Spectrum]

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