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  2. Google Contact Lens - Wikipedia

    en.wikipedia.org/wiki/Google_Contact_Lens

    Google Contact Lens was a smart contact lens project announced by Google on 16 January 2014. [1] The project aimed to assist people with diabetes by constantly measuring the glucose levels in their tears. [2] The project was being carried out by Verily and as of 2014 was being tested using prototypes. [1]

  3. Luneburg lens - Wikipedia

    en.wikipedia.org/wiki/Luneburg_lens

    Luneburg lens. A Luneburg lens (original German Lüneburg lens) is a spherically symmetric gradient-index lens. A typical Luneburg lens's refractive index n decreases radially from the center to the outer surface. They can be made for use with electromagnetic radiation from visible light to radio waves .

  4. List of third-party Sony E-mount lenses - Wikipedia

    en.wikipedia.org/wiki/List_of_third-party_Sony_E...

    The following lenses have either manually or electronically actuated apertures and can report the aperture value and focal length for inclusion in Exif data and SteadyShot calculations. Full-frame lenses. Meike 85mm f/1.8 (no aperture ring) Tokina. FíRIN 20mm F/2.0 FE MF; Viltrox PFU RBMH 85mm f/1.8 (no aperture ring) Voigtländer

  5. List of Nikon F-mount lenses with integrated autofocus motor

    en.wikipedia.org/wiki/List_of_Nikon_F-mount...

    The following list of Nikon F-mount lenses with integrated autofocus motor includes only Nikon F-mount lenses which fully autofocus in all modes of all Nikon F-mount digital single-lens reflex cameras with and also without an autofocus motor. [1] Cameras lacking an integrated autofocus motor (often called screw drive) are the Nikon D40, D40X ...

  6. Bionic contact lens - Wikipedia

    en.wikipedia.org/wiki/Bionic_contact_lens

    Bionic contact lens. A bionic contact lens is a proposed device that could provide a virtual display that could have a variety of uses from assisting the visually impaired to video gaming, as claimed by the manufacturers and developers. [1] The device will have the form of a conventional contact lens with added bionics technology in the form of ...

  7. Essilor - Wikipedia

    en.wikipedia.org/wiki/Essilor

    Essilor International is an international ophthalmic optics company that designs, manufactures and markets lenses to correct or protect eyesight. [1] Its headquarters is in Charenton-le-Pont (near Paris), France . It is the world's largest manufacturer of ophthalmic lenses. [2]

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