scientists at the University of California San Diego have gone ahead and made it a reality. They’ve created a contact lens, controlled by eye movements, that can zoom in if you blink twice.
How is this possible? In the simplest of terms, the scientists measured the electrooculographic signals generated when eyes make specific movements (up, down, left, right, blink, double blink) and created a soft biomimetic lens that responds directly to those electric impulses. The lens created was able to change its focal length depending on the signals generated.
Therefore the lens could literally zoom in the blink of an eye.
Incredibly, the lens works regardless of whether the user can see or not. It’s not about the sight, it’s about the electricity produced by specific movements.
Source: Scientists create contact lenses that zoom when you blink twice – CNET
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