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  2. Solar viewer - Wikipedia

    en.wikipedia.org/wiki/Solar_viewer

    The solar eclipse of December 26, 2019 seen through a pair of solar eclipse glasses in Jaffna, Sri Lanka. A cat demonstrating a pair of eclipse glasses. Solar viewers (also known as solar viewing glasses or solar eclipse glasses) are special eyewear designed for direct viewing of the Sun. Standard sunglasses are unable to filter out eye ...

  3. Sunglasses - Wikipedia

    en.wikipedia.org/wiki/Sunglasses

    Sun specs (also sunspecs) is the shortened form of sun spectacles. Sunglass a monocle version. [citation needed] Sun-shades can also refer to the sun-shading eyepiece-type, although the term is not exclusive to these. Also in use is the derivative abbreviation, "shades". Dark glasses (also preceded by pair of) — generic term in common usage.

  4. Where to buy solar eclipse glasses and how to know if they're ...

    www.aol.com/lifestyle/solar-eclipse-glasses-2024...

    These glasses are independently tested and are shown to filter 100% of harmful UV and infrared light, and 99.9% of intense visible light. This 10 pack is great for splitting among friends or a ...

  5. Here’s what can happen when you view an eclipse incorrectly ...

    www.aol.com/news/protect-eyes-during-annular...

    Sunglasses don’t block infrared radiation. For safe manufacturers and resellers of eclipse glasses and filters for optical devices, including cameras and smartphones, check out the list curated ...

  6. 15 Chic Dark Sunglasses That Actually Block Out the Sun - AOL

    www.aol.com/entertainment/15-chic-dark...

    And with summer in full force, you’re going to need those glasses to keep the sun out of your eyes. 21 Flattering Sunglasses That Scream 'I Belong to the Country Club' Before you buy your next ...

  7. Photochromic lens - Wikipedia

    en.wikipedia.org/wiki/Photochromic_lens

    A photochromic eyeglass lens, part of the lens darkened after exposure to sunlight while the other part remained covered. A photochromic lens is an optical lens that darkens on exposure to light of sufficiently high frequency, most commonly ultraviolet (UV) radiation.

  8. Smart glass - Wikipedia

    en.wikipedia.org/wiki/Smart_glass

    When installed in the envelope of buildings, smart glass helps to create climate adaptive building shells, [3] which benefits include things such as natural light adjustment, visual comfort, UV and infrared blocking, reduced energy use, thermal comfort, resistance to extreme weather conditions, and privacy. [4]

  9. Anti-reflective coating - Wikipedia

    en.wikipedia.org/wiki/Anti-reflective_coating

    Uncoated glasses lens (top) versus lens with anti-reflective coating. The reflection from the coated lens is tinted because the coating works better at some wavelengths than others. An antireflective , antiglare or anti-reflection ( AR ) coating is a type of optical coating applied to the surface of lenses , other optical elements, and ...

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