3D printed Contact lenses-Better technology than Google glass is coming

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Michael McAlpine at Princeton University and his colleagues have developed a 3D printer that can make a five-layered contact lens, one which emits light into the wearer’s eyes.

New lenses that can display video and even detect health problems.

The work was funded by the US Air Force, which hopes to use such lenses to display in-flight data. Replacing the LEDs with light sensors could also reveal the state of the wearer’s retina and possibly monitor pilot health without invasive implants.

For now, the prototype needs a lot of work. The voltage required to power the contact lenses is still too high for them to have a commercial viability. And, perhaps most importantly, “the materials that make quantum dots, such as cadmium selenide, have known health risks.”

FULL ARTICLE FROM Newscientist

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