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When you blink twice, scientists create contact lenses that zoom in

It’s totally the science fiction stuff: a lens of touch zooming in on your command. But scientists have gone ahead at the San Diego University of California and made it a reality. They have created a contact lens that can zoom in if you blink twice, controlled by eye movements.

The scientists measured the electrooculographic signals generated by eyes making specific movements (up, down, left, right, blink, double blink) and created a soft biomimetic lens that directly responded to those electrical impulses. Depending on the signal generated, the lens created was able to change its focal length.

The lens could therefore literally zoom in an eye’s blink. The lens operates incredibly irrespective of whether the user can see it or not. It’s not about the sight, it’s about the electricity that specific movements produce.

Researchers think that this innovation could be used in the future in “visual prostheses, adjustable glasses, and remotely operated robotics,” but I’m waiting for them to appear on CSI Miami.

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