When.com Web Search

  1. Ads

    related to: how to replace broken visor lens on glasses case with magnetic holder for travel

Search results

  1. Results From The WOW.Com Content Network
  2. I tried those Pair Eyewear glasses with the magnetic frames ...

    www.aol.com/lifestyle/tried-those-pair-eyewear...

    But the glasses themselves (which took around 10 days to arrive — your mileage may vary) are great; they're lightweight and comfortable, and Pair nailed my fairly complicated progressive-lens ...

  3. Eye protection - Wikipedia

    en.wikipedia.org/wiki/Eye_protection

    Fighter pilot helmet includes a visor for protection from the sun and from wind blast in case of an ejection from the aircraft. Some firefighter's helmets have visors which protect the eyes from infrared rays and the radiant heat of fire as well as from impact. Hockey helmets have visors, shields, cages and masks to protect the eyes and face ...

  4. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    Prism lenses (here unusually thick) are used for pre-operative prism adaptation. Eye care professionals use prism correction as a component of some eyeglass prescriptions.A lens which includes some amount of prism correction will displace the viewed image horizontally, vertically, or a combination of both directions.

  5. Magnetic switchable device - Wikipedia

    en.wikipedia.org/wiki/Magnetic_switchable_device

    A magnetic switchable device (often called a magnetic base) is a magnetic fixture that uses one or more permanent magnets in a configuration that allows the external field to be turned on or off. They are used in many applications including optics , metalworking , lifting , and robotics, to attach items to metal surfaces in a secure but ...

  6. Sunglasses - Wikipedia

    en.wikipedia.org/wiki/Sunglasses

    Any of the above features, color, polarization, gradation, mirroring, and materials, can be combined into the lens for a pair of sunglasses. Gradient glasses are darker at the top of the lens where the sky is viewed and transparent at the bottom. Corrective lenses or glasses can be manufactured with either tinting or darkened to serve as ...

  7. Eye relief - Wikipedia

    en.wikipedia.org/wiki/Eye_relief

    The eye relief given in product specifications does not always give a realistic view of what a user can expect. Although eye-cups can usually be folded down to allow the spectacle wearer to get closer to binocular eyepieces, there are sometimes lens mountings that do not allow the theoretical eye relief to be obtained.