I was scouting round on New Scientist when I came across this interesting article about prototype technology that embeds a display device into 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.”
Cool stuff! Read the original here…
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While these lenses occasionally correct vision when needed (they are basically spherical lenses), they also can blur vision because of their design. Contact Lens