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  1. Jan 26, 2020 · A polarized lens filters this “raw” light and allows only vertical waves to pass through. This is how polarized sunglasses get their best feature: the reduction or elimination of glare. Reflected light waves, glare included, are often horizontal in nature; they have a harder time getting past the vertical filter of a polarized lens.

  2. Mar 13, 2015 · Polarized glasses let in only vertically polarized light, which lets you easily see everything clearly, and filters out the horizontally polarized light which obstructs vision. Originally developed to help fishermen see better, polarized glasses became popular after it was seen that they block the unwanted glare during sports, especially water ...

  3. Category 2 — moderate lenses for protection against glare; Category 3 — dark lenses for bright days (the most common category) Category 4 — very dark lenses for intense sunshine (i.e. on mountains and glaciers) Category 4 sunglasses are ideal for snowboarding or skiing activities, as they let in less than 8% of UV light.

  4. Feb 8, 2019 · Benefits of polarized lenses. advantages of polarized lenses. clearer vision, especially in bright light. increased contrast and minimal color distortion. reduced glare and reflection. reduced ...

  5. Yes. Maximum polarization is obtained when the sun is at about 37 degrees from the horizon (in theory 100% polarization at the Brewster angle). If the sun is very low or very high the sunglasses will be of little help in filtering the glare in calm seas. A rule of thumb would be that polarized filters limit the glare from calm waters for a sun ...

  6. Sunglasses and UV filters. Make sure sunglasses have a UV filter, and the lenses are good quality by choosing glasses with a European CE mark or British Standard BS EN ISO 12312-1:2013. Sunglasses marked UV 400 should block 100% of UV. UV filters can be clear. They can be used in ordinary prescription glasses, sunglasses and contact lenses.

  7. Convenient and Comfortable Fitover Sunglasses Deliver Superior Polarised Performance. The Cocoons brand of optical-grade fitover sunglasses is world renowned for its innovative designs that offer unparalleled levels of comfort, performance, and quality. Our intelligent engineering, patented designs, and exclusive features combine to create the ...

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