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2. Foggy lenses? The fix is finally here, and it's just $8 with ...

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   Safe for all types of glasses, including those with expensive anti-reflective coating, Care Touch Anti-Fog Lens Spray even works on sports googles, camera lenses, and device screens. Keep one ...

3. How to stop glasses from fogging up while wearing a mask in ...

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   A woman's eyeglasses are fogged up as she wears a face mask in cold, winter weather during the coronavirus pandemic. (AP Photo/Mark Schiefelbein) Nearly two years into the coronavirus pandemic and ...

4. How to Keep Your Glasses From Fogging Up While Wearing ... - AOL

   www.aol.com/news/keep-glasses-fogging-while...

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5. 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 ...

6. Refractive error - Wikipedia

   en.wikipedia.org/wiki/Refractive_error

   A distant object is defined as an object located beyond 6 meters (20 feet) from the eye. [citation needed] When an object is located close to the eye, the rays of light from this object no longer approach the eye parallel to each other. Consequently, the eye must increase its refractive power to bring those rays of light together on the retina.

7. Color blind glasses - Wikipedia

   en.wikipedia.org/wiki/Color_blind_glasses

   Glasses with a notch filter (e.g. EnChroma glasses) filter a narrow band of light around 590 nm that excites both the L- and M-cones (yellow-green wavelengths). [12] They are often combined with an additional stopband in the short wavelength (blue) region to minimize the tint on the lenses and approximate a neutral-density filter. They improve ...

8. How to avoid foggy glasses while wearing a mask - AOL

   www.aol.com/news/avoid-foggy-glasses-while...

   Ophthalmologists and eye surgeons explain why your glasses fog up when you wear a mask and recommend ways to help you avoid the irritating phenomenon.

9. Glare (vision) - Wikipedia

   en.wikipedia.org/wiki/Glare_(vision)

   Glare can be generally divided into two types, discomfort glare and disability glare. [1] Discomfort glare is a psychological sensation caused by high brightness (or brightness contrast) within the field of view, which does not necessarily impair vision. [2]