Greg Wiens first read about adjustable glasses almost a decade ago. At the time, the glasses used silicon to change prescriptions quickly and easily. Wiens, a Mennonite pastor, was captivated. He saw ...
[Photo: Superfocus] Sick of blurry vision? Me too! And so are the older Astronauts aboard NASA missions. Recently NASA certified a new type of glasses created by Superfocus LLC that allow astronauts ...
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