Multifunctional Smart E-Glasses Monitor Health, Protect Eyes, Control Video Games

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Multifunctional E-Glasses

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Smart e-glasses can wirelessly keep an eye on EEG and EOG signals, UV strength, and body language, while likewise functioning as sunglasses and a human-machine user interface. Credit: Adapted from AIR CONDITIONING Applied Materials & Interfaces 2020, DOI: 10.1021/acsami.0c03110

Fitness tracker bracelets and watches offer helpful info, such as action count and heart rate, however they generally can’t offer more in-depth information about the user’s health. Now, scientists reporting in AIR CONDITIONING Applied Materials & Interfaces have actually established wise electronic glasses (e-glasses) that not just keep an eye on an individual’s brain waves and body language, however likewise can operate as sunglasses and enable users to manage a computer game with eye movements.

Devices that procedure electrical signals from the brain (electroencephalogram; EEG) or eyes (electrooculogram; EOG) can assist identify conditions like epilepsy and sleep conditions, along with control computer systems in human-machine user interfaces. But acquiring these measurements needs a stable physical contact in between skin and sensing unit, which is tough with stiff gadgets. Suk-Won Hwang and coworkers wished to incorporate soft, conductive electrodes into e-glasses that might wirelessly keep an eye on EEG and EOG signals, ultraviolet (UV) strength, and body language or postures, while likewise functioning as a human-machine user interface.

The scientists developed the glasses’ frame with a 3D printer and after that included versatile electrodes near the ears (EEG sensing unit) and eyes (EOG sensing unit). They likewise included a cordless circuit for motion/UV noticing on the side of the glasses and a UV-responsive, color-adjustable gel inside the lenses. When the sensing unit found UV rays of a specific strength, the lenses altered color and ended up being sunglasses. The movement detector enabled the scientists to track the posture and gait of the user, along with spot when they fell. The EEG taped alpha rhythms of the brain, which might be utilized to keep an eye on health. Finally, the EOG display enabled the user to quickly move bricks around in a popular computer game by changing the instructions and angle of their eyes. The e-glasses might be helpful for digital health care or virtual truth applications, the scientists state.

The authors acknowledge financing from the KU-KIST Graduate School of Converging Science and Technology and the National Research Foundation of Korea.



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