Blink twice and zoom in +32% with these contact lenses

Scientists have designed contact lenses that zoom in when the user blinks twice.

Published Jul 30, 2019 2:00 AM CDT   |   Updated Tue, Nov 3 2020 11:47 AM CST

Considering the thought that glasses technology will soon be adopted by the mainstream, what would be the extent of that technology? Perhaps some sci-fi level contact lenses that allow the user to have mini-binoculars in their eyes.

Blink twice and zoom in +32% with these contact lenses |

Scientists at the University of California, San Diego have designed and created some brand new contact lenses that can do just that. The lenses are capable of measuring the electrooculographic signals the eye creates when it is moved up and down. Since these signals are tracked, the lenses measure the impulses that are generated by the eye and when users blink twice the focal length on the lenses is adjusted.

The focal length on these contact lenses can be changed by as much as 32%, simply by the user of the contacts moving their eyes and blinking twice. Shengqiang Cai, a lead researcher for the new contacts told New Scientist, "Even if your eye cannot see anything, many people can still move their eyeball and generate this electro-oculographic signal." Since these signals are always being sent from the eye, researchers say that these contacts could have applications in "visual prostheses, adjustable glasses, and remotely operated robotics in the future."

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Jak joined the TweakTown team in 2017 and has since reviewed 100s of new tech products and kept us informed daily on the latest science and space news. Jak's love for science, space, and technology, and, more specifically, PC gaming, began at 10 years old. It was the day his dad showed him how to play Age of Empires on an old Compaq PC. Ever since that day, Jak fell in love with games and the progression of the technology industry in all its forms. Instead of typical FPS, Jak holds a very special spot in his heart for RTS games.

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