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  1. Many of us have polarized sunglasses, but how does an optical polarizer actually block light? It has to do with the polarization of electromagnetic waves and the vibration of atoms in...

    • 6 min
    • 449.7K
    • The Science Asylum
  2. Mar 9, 2021 · To discover how polarized lenses help us to see better, we have to first understand the nature of light, and how its polarization occurs. Daylight is created...

    • 1 min
    • 4.2K
    • Younger Optics USA
  3. The useful glare-blocking properties of polarized sunglasses are well-known to just about anyone who goes outside. What isn't so well-known is how they reduc...

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    • 194.5K
    • SciShow
  4. Apr 16, 2023 · Polarized sunglasses are designed specifically to reduce glare so that you can see clearly in situations where you might otherwise squint or be blinded by reflected light. Glare is caused when light hits a reflective horizontal surface, causing light beams to be scattered horizontally.

  5. Sep 30, 2023 · What are polarized sunglasses and how do they work? Polarized sunglasses are eyewear with lenses that have a built-in optical filter to block horizontally polarized light. They work by selectively allowing vertically polarized light to pass through, reducing glare and improving visual clarity.

  6. How do polarised sunglasses work? Sunlight disperses in different directions, however, when it hits a flat surface, (e.g. a road) the reflected light travels in a more uniform horizontal direction. This creates an intensity of light that causes glare and reduces visibility.

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  8. Polarised sunglasses have a special film embedded into the lens that helps to increase comfort and clarity of vision. The film works by acting as a shutter to block out light reflected from horizontal surfaces.