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Brief Published: 19 May 2014

Smart Glasses Track Tiredness

Jins Meme glasses

A new pair of smart glasses from Japanese eyewear firm Jins can track the gaze and eye movements of the wearer to determine how tired they are.

Using small metallic electrooculography (EOG) sensors embedded in the bridge, nose pads and bars, the Jins Meme glasses track the electrical potential of eye movement. The voltage difference between the cornea and the retina can be used to deduce fatigue levels.

"Until now, glasses have only been used to see the outside, but now we can see what's going on inside the user," said Jins president Hitoshi Tanaka.

The glasses, which run on a rechargeable lithium-ion battery, could be worn when driving to alert users if their fatigue is reaching dangerous levels, or detect eye strain caused by long hours of computer work.

The accompanying app provides users with information on blink rate and gaze direction, alongside other personal metrics such as calorie consumption and speed. Jins plans to launch the glasses in Japan in spring 2015. No price details have been revealed.

From smart contact lenses to bionic eyes, the market for smart eyewear stretches well beyond the much-hyped Google Glass. See Touch-Free Tech for more.