Intel recently showed off a prototype of their Vaunt smart glasses, which have a significant advantage over Google's failed Glass, no visible camera.   Instead these glasses fire a laser into your eyeholes, something you usually are told to avoid but in this case should be perfectly safe.  The laser projects small monochrome images or text at the bottom of your field of vision, which does not interfere with your line of sight and is mostly invisible until you look down.  So far the amount of information able to be displayed is limited on the prototype and it is a long way off of hitting the market so you should expect changes.  If you have some sort of minor vision problem, The Inquirer assures us that you will still be able to see the information the Vaunt displays.

"Instead, the Vaunt glasses use a low-powered class one laser to project a monochrome 400×150 resolution image on to the retina of your eye. Yeah, if you find eyes queasy you might want to get yourself a cup of tea."

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