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  2. Photokeratitis - Wikipedia

    en.wikipedia.org/wiki/Photokeratitis

    Photokeratitis can be prevented by using sunglasses or eye protection that transmits 5–10% of visible light and absorbs almost all UV rays. Additionally, these glasses should have large lenses and side shields to avoid incidental light exposure. Sunglasses should always be worn, even when the sky is overcast, as UV rays can pass through ...

  3. Sunglasses - Wikipedia

    en.wikipedia.org/wiki/Sunglasses

    Medical experts advise the public on the importance of wearing sunglasses to protect the eyes from UV; [26] for adequate protection, experts recommend sunglasses that reflect or filter out 99% or more of UVA and UVB light, with wavelengths up to 400 nm. Sunglasses that meet this requirement are often labeled as "UV400".

  4. 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 ...

  5. Polarized and UV-protected sunglasses under $60

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

    Blenders Canyon Black Tundra $ at Blenders Eyewear. Blenders Canyon Black Tundra $ at Scheels. Goodr The OGs A Ginger’s Soul. I know, I know — justice for red-haired people.

  6. These Relatively Cheap Sunglasses Block UV Light, Protect ...

    www.aol.com/news/best-uv-blocking-sunglasses...

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  7. Eye protection - Wikipedia

    en.wikipedia.org/wiki/Eye_protection

    Hockey helmets have visors, shields, cages and masks to protect the eyes and face from impact. Hurling helmets protect the eyes from the ball and from near contact with other players. Lacrosse helmets used in men's lacrosse have a cage to protect the face and eyes from impact. Lifeboatman's helmet has a transparent visor to keep sea spray out ...

  8. 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.

  9. Ultraviolet index - Wikipedia

    en.wikipedia.org/wiki/Ultraviolet_index

    A UV index reading of 8 to 10 means very high risk of harm from unprotected sun exposure. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Minimize sun exposure between 10 a.m. and 4 p.m. If outdoors, seek shade and wear sun-protective clothing, a wide-brimmed hat, and UV-blocking sunglasses.

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