Bifocal and
progressive lenses suck. They're old tech. Like, Benjamin Franklin old. PixelOptics take a more 21st century approach—
liquid crystal lenses that adjust their focus in a fraction of a second, for differing focuses when you need them.
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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/vUEqbnHS8Lw/pixeloptics-liquid-crystal-glasses-make-bifocals-obsolete
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