Photos: Eye on 'switchable' lenses

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  • switchable liquid crystal diffractive lenses

    switchable liquid crystal diffractive lenses

    Researchers at the University of Arizona have demonstrated eyeglass lenses, or what's called switchable liquid crystal diffractive lenses, that could potentially replace biofocals for far-sighted people. The flat lenses have focusing power that adjusts based on what the person is viewing.

    Caption by: Bill Detwiler

  • prototype

    prototype

    Switchable liquid crystal lenses: a prototype of the assembled adaptive eyewear.

    Caption by: Bill Detwiler

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Researchers demonstrate flat lenses with focusing power that adjusts based on what the person is viewing.

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switchable liquid crystal diffractive lenses

Researchers at the University of Arizona have demonstrated eyeglass lenses, or what's called switchable liquid crystal diffractive lenses, that could potentially replace biofocals for far-sighted people. The flat lenses have focusing power that adjusts based on what the person is viewing.

Caption by: Bill Detwiler

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