Pixel Optics’ Electrical Spectacles: The Future is (Almost) Here

Eyeglasses That Change Focus On Demand

Tuesday, August 18, 2009 14:20

These are cool! Dubbed “TruFocals” by their inventor, Stephen Kurtin, these glasses allow the wearer to change the focus on the fly. They work by adjusting the amount of a thin layer of clear fluid that sits between two traditional lenses. As almost all people over 40 are affected by presbyopia (otherwise known as near-sightedness), [...]