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January 7, 2011
  Bi-focals have been around since the dawn of mankind and haven’t changed much since they were invented by Benjamin Franklin. However a company called PixelOptics has gone ahead and re-invented them with state of the art technology. Their new emPower line of glass lenses change prescription faster than in the blink of an eye. There are no moving parts and the change is virtually instantaneous. An invisible electronic add zone located about a half inch below the center of each lens ch ...

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