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  2. Shooting glasses - Wikipedia

    en.wikipedia.org/wiki/Shooting_glasses

    In contrast to most other eye glasses, shooting glasses usually only have one lens that corrects the ametropia of the dominant eye, which is used for aiming.This lens is selected in such a way that the maximum visual acuity lies on the font sight line element near the muzzle of the (non-magnifying) open type or diopter and globe type match sight line elements to get three points positioned in ...

  3. Shot glass - Wikipedia

    en.wikipedia.org/wiki/Shot_glass

    44 ml (1.5 US fl oz) or 43 ml (1.5 imp fl oz) 71 ml (2.5 imp fl oz) In Canada, a "shot" may refer to an official "standard drink" of 1.5 imperial fluid ounces or 42.6 millilitres, [ 11 ] though all establishments serve a "standard drink" of 1 oz. [ 12 ] However, shot glasses available in Canada typically are manufactured according to US fluid ...

  4. Authorized Protective Eyewear List - Wikipedia

    en.wikipedia.org/wiki/Authorized_Protective...

    The U.S. civilian standard for protective eyewear was revised in 2010. The previous version from 2003 was organized by the type of protector. The Z87.1-2010 version is organized by the type of hazard such as droplet and splash, impact, optical radiation, dust, fine dust, and mist. [6]

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  6. Ballistic eyewear - Wikipedia

    en.wikipedia.org/wiki/Ballistic_eyewear

    Ballistic eyewear is a form of glasses or goggles that protect from small projectiles and fragments. For the U.S. military, choices are listed on the Authorized Protective Eyewear List (APEL). [ 1 ] Ballistic eyewear including examples that meet APEL requirements are commercially available for anyone who wishes to buy it.

  7. Smartglasses - Wikipedia

    en.wikipedia.org/wiki/Smartglasses

    Using the touch pad built on the side of the 2013 Google Glass to communicate with the user's phone using Bluetooth Man wearing a 1998 EyeTap Digital Eye Glass [1] Smartglasses or smart glasses are eye or head-worn wearable computers. Many smartglasses include displays that add information alongside or to what the wearer sees.

  8. Target Optical - Wikipedia

    en.wikipedia.org/wiki/Target_Optical

    Target Optical was founded by the Cole National Corporation in 1995 [1] in Cleveland, Ohio. In 2004, the Cole National Corporation was acquired by the Italian Luxottica S.p.A. along with other Cole National Corporation holdings such as Pearle Vision. Luxottica folded Cole's operations into its North American Retail Group and the Cole structure ...

  9. Adjustable-focus eyeglasses - Wikipedia

    en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

    Electro-optical often uses liquid crystals as the active medium. [1] Applying an electric potential to the liquid changes the refraction of the liquid. Early work on opto-mechanical methods was done by Martin Wright. [2] [3] Opto-mechanical spectacles allow focus control by the wearer via movement of a small slider located on top of the bridge.

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