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  2. Polarized sunglasses - Wikipedia

    en.wikipedia.org/?title=Polarized_sunglasses&...

    Download as PDF; Printable version; ... Appearance. move to sidebar hide. From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Polarization (waves)# ...

  3. Brewster's angle - Wikipedia

    en.wikipedia.org/wiki/Brewster's_angle

    Polarized sunglasses use a sheet of polarizing material to block horizontally-polarized light and thus reduce glare in such situations. These are most effective with smooth surfaces where specular reflection (thus from light whose angle of incidence is the same as the angle of reflection defined by the angle observed from) is dominant, but even ...

  4. Sunglasses - Wikipedia

    en.wikipedia.org/wiki/Sunglasses

    Sunglasses can improve visual comfort and visual clarity by protecting the eye from glare. [24] The lenses of polarized sunglasses reduce glare reflected at some angles off shiny non-metallic surfaces, such as water. They allow wearers to see into water when only surface glare would otherwise be seen, and eliminate glare from a road surface ...

  5. Progressive lens - Wikipedia

    en.wikipedia.org/wiki/Progressive_lens

    The symmetric design, however, was difficult to accept for patients, because the eyes in general work asymmetrically. When you look to your right, your right eye views distal (i.e. looking through the lens near to the arm of the spectacles) while your left eye views nasal (i.e. looking through the lens near to the bridge). Modern sophisticated ...

  6. Pinhole glasses - Wikipedia

    en.wikipedia.org/wiki/Pinhole_glasses

    Pinhole glasses, when placed over the out of focus camera, make the chart somewhat readable once more. However, they darken the image and the grid blocks some of the finer details, requiring slight movements of the camera for the whole chart to be somewhat comfortably read.

  7. Polaroid Eyewear - Wikipedia

    en.wikipedia.org/wiki/Polaroid_Eyewear

    Polaroid Eyewear manufactures polarized sunglasses and polarized lenses, as well as optical frames, reading glasses, and clip-on lenses. Polaroid Eyewear was a part of the StyleMark group and sold to the Safilo Group in November 2011. Polaroid headquarters is located in Padua (Italy).