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  2. 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 ...

  3. Polarized and UV-protected sunglasses under $60

    www.aol.com/news/polarized-uv-protected...

    L.L.Bean Classic Aviator Polarized Sunglasses. These aviator-style sunglasses from L.L.Bean are polarized and they’re 100% UV A, B and C-protected. (While UVA wavelengths are the longest and ...

  4. Glasses - Wikipedia

    en.wikipedia.org/wiki/Glasses

    Polarized sunglasses may present some difficulties for pilots since reflections from water and other structures often used to gauge altitude may be removed. Liquid-crystal displays emit polarized light, making them sometimes difficult to view with polarized sunglasses. Sunglasses may be worn for aesthetic purposes, or simply to hide the eyes.

  5. 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).

  6. Bifocals - Wikipedia

    en.wikipedia.org/wiki/Bifocals

    Bifocals can contribute to falls, [15] cause headaches, and even dizziness for some wearers. Adaptation to the small field of view offered by the reading segment of bifocals can take some time, as the user learns to move either the head or the reading material rather than the eyes.

  7. Varilux - Wikipedia

    en.wikipedia.org/wiki/Varilux

    In a theater showing a 3D film, viewers wearing polarized, stereoscopic glasses follow in the footsteps of a young man with presbyopia. Stage-by-stage, he experiences the vision produced by single-vision and bifocal lenses, and then that of standard progressive lenses, and ultimately Varilux lenses.

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