2010s: Glasses Will Beam Images into Our Eyes

By the end of this decade, glasses will be able to beam images directly to the retina, Kurzweil says. While Google Glass has failed to capture the support of the public thus far, perhaps later versions of heads-up-display technology will make good on Kurzweil's prediction. Headsets like Google Glass may ultimately prove to be important technologies in medicine. Already some study data supports that Google Glass can improve the performance of surgeons.

No matter what, heads-up-display technology is clearly evolving. In addition to Google, Microsoft and others are developing innovative heads up displays.

UK's National Physical Laboratory and the company Colour Holographic have made a similar device that projects holographic digital images in front of users. The companies imagine that the technology could prove popular with people with impaired vision, surgeons, and others.

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