LED array within a contact lens signals the coming of in-eye display. Developed by engineers at the University of Washington this technology has enormous potential for reshaping our experience of real and virtual space.
"Constructing a focused image on the surface of cornea is definitely challenging, nobody has tried it or demonstrated it before," Parviz told Electronics Weekly. "We are looking into two ways of doing this: integrated a micro lens with each pixel, or using small ultra-low power lasers for each pixel."
http://www.electronicsweekly.com/Articles/2008/01/30/43036/contact-lens-led-array-aims-for-in-eye-display.htm
Ian Pearson, (Futurologist) forecasted such a 'device' in 2002.
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