Read In the Sun.

A version with transparent lenses, switching between a distance Rx and close-up magnification, is planned. Their first product, named for the latitude of DeepOptics' hometown of Tel Aviv, has tinted liquid-crystal lenses that realign into magnifying "readers" when the wearer swipes the temple with a finger. But when the founders realized that more people have aging eyes than 3D TVs, they decided to use their vision tech to help people over 45 see both close and far, outside and in. [Extracted from the article]