Switching your glasses for reading purposes may become a thing of the past thanks to PixelOptics and the new Pixel Power emPower. The Pixel Power emPower glasses can become bifocals with just the touch of a button.
The glasses work by electronically changing the optics of the lens. The glasses are powered by a rechargeable battery that sits inside the frame. The Pixel Power emPower glasses are set to be released in the across the United States at the end of 2011 and have an asking price of $1,200.