It is absolutely the stuff of science fiction: athat zooms on your command.
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.
Why create this? Why the hell not. The researchers believe this innovation could be used in "visual prostheses, adjustable glasses, and remotely operated robotics in the future," but I'm waiting for them to turn up on CSI Miami. Could you imagine the crimes Ice-T could solve on Law and Order wearing these things?