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Page last updated at 07:52 GMT, Wednesday, 18 April 2012 08:52 UK

The 'eye-tech' future of vision


New glasses and contact lenses are set to give us second sight overlaying our vision with additional information. There is the potential for contact lenses to monitor the health of the wearer and ski goggles to to tell us our speed on the slopes as we glide down the mountain.

And as L J Rich reports, a pair of glasses already exists giving the wearer the power to move objects by blinking.

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