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  2. Pinhole glasses - Wikipedia

    en.wikipedia.org/wiki/Pinhole_glasses

    Pinhole glasses, also known as stenopeic glasses, are eyeglasses with a series of pinhole-sized perforations filling an opaque sheet of plastic in place of each lens. Similar to the workings of a pinhole camera , each perforation allows only a very narrow beam of light to enter the eye which reduces the size of the circle of confusion on the ...

  3. Optics and vision - Wikipedia

    en.wikipedia.org/wiki/Optics_and_vision

    Modern glasses are typically supported by pads on the bridge of the nose and by temple arms placed over the ears. Historical types include the pince-nez, monocle, lorgnette, and scissors-glasses. Eyeglass lenses are commonly made from plastic, including CR-39 and polycarbonate. These materials reduce the danger of breakage and weigh less than ...

  4. Smartglasses - Wikipedia

    en.wikipedia.org/wiki/Smartglasses

    Xiaomi Smart Glasses by Xiaomi – wearable AR device [44] b.g. (Beyond Glasses) by Meganesuper Co., Ltd. – adjustable wearable display that can be attached to regular prescription glasses [45] EyeTap – eye-mounted camera and head-up display (HUD). SixthSense – wearable AR device; Orion – AR glasses by Meta Platforms [46]

  5. Eyeglass prescription - Wikipedia

    en.wikipedia.org/wiki/Eyeglass_prescription

    A prescription of −1.00 +0.25 × 180 describes a lens that has a horizontal power of −1.00 D and a vertical power of −0.75 D. Only ophthalmologists write prescriptions in + cylinder. An optometrist would write a prescription in - (minus) cylinder. All spectacle and contact lenses would be made in minus cylinder.

  6. Ballistic eyewear - Wikipedia

    en.wikipedia.org/wiki/Ballistic_eyewear

    Ballistic sunglasses or prescription eyeglasses must meet the same requirements. In brief, the U.S. military standard requires that ballistic eyewear must be able to withstand up to a 3.8 mm (.15 caliber) projectile at 195 m/s (640 ft/s)) for spectacles and 5.6 mm (.22 caliber) projectile at 168–171 m/s (550–560 ft/s) for goggles.

  7. Epiphany Eyewear - Wikipedia

    en.wikipedia.org/wiki/Epiphany_Eyewear

    The glasses record video stored within the glasses' hardware for live-stream upload to a computer or social media. [3] The glasses use smartphone technology. The head mounted display is a mobile computer and a high-definition camera. [4] [failed verification] The glasses take photographic images, record or stream video to a smartphone or ...

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