This pair of glasses can change focus based on what you look at

SOURCE:http://feeds.mashable.com/~r/Amazing.reveal/~3/whJrz-xqScI/




Image: Dan Hixson/University of Utah College of EngineeringBy Anisa Purbasari2017-01-25 22:15:38 UTC

If you need different pairs of glasses for seeing different things (say, reading vs. distance) or wear bifocals or. view full post