If you want to create a functioning metalens, you need to design a maze for light.
Except being bulky.
Flat lenses could revolutionize optics, researchers say.
How eyesight works and other functions.
It’s the world of science fiction come alive – Swiss researchers have developed contact lenses which, when paired with special spectacles, bestow telescopic vision on their wearers. Cool, and very useful The contact-lens-and-spectacles have the ability of zooming in 2.8 times. The device was not created for Bond-like purposes, but rather to help people suffering age-related visual impairment and blindness.