Tunable electric eyeglasses bend to the will of the wearer

University of Utah

April, 2017
Tunable electric eyeglasses bend to the will of the wearer
Mastrangelo, right, and doctoral student Nazmul Hasan, led the team that developed the smart glasses. Credit: Dan Hixson, University of Utah College of Engineering.

Engineers at the University of Utah have developed glasses with liquid-based lenses that appear to flex in-order to refocus on whatever the wearer is viewing.

Funded by the National Institute of Biomedical Imaging and Bioengineering (NIBIB), the team’s glasses mimic the behavior of the eye’s natural lens – adjusting to focus near, far, or in-between. While age affects the eye’s ability to flex, the combination of electrical, mechanical, optical, sensor, and computer technologies come together to adapt to every need.

“Theoretically, these would be the only glasses a person would ever have to buy because they can correct the majority of focusing problems,” says electrical and computer engineering professor Carlos H. Mastrangelo. “Users just have to input their new prescription as their eyesight changes.”

The glasses utilize a sophisticated algorithm with two critical variables: the eyeglass prescription inputted by the user’s mobile app, and the distance to the area that the user is looking at. The latter is provided by a sensor mounted in the bridge of the glasses, using infrared light to identify where the wearer is looking, and then provide that distance.

To read more about the research and the next steps for their project, click here.

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