Contact lenses may one day be used to enhance the limited screen size of mobile devices by projecting data, images, and other media, directly into a user’s field of vision. It would be a little like seeing a TV screen in front of your eyes.
Realising that display size is increasingly a constraint in mobile devices, Babak Parviz at the University of Washington, in Seattle, hit on the idea of projecting images into the eye from a contact lens. One of the limitations of current head-up displays is their limited field of view. A contact lens display can have a much wider field of view. “Our hope is to create images that effectively float in front of the user perhaps 50 cm to 1 m away,” says Parviz.
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