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

    www.aol.com/lifestyle/foggy-lenses-fix-finally...

    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 ...

    www.aol.com/lifestyle/stop-glasses-fogging-while...

    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 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.

  5. 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 ...

  6. Adjustable-focus eyeglasses - Wikipedia

    en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

    Adjustable focus lenses, like single-focus lenses, also reduce image-jump and spatial distortion in the field of view associated with traditional multi-focal lenses. Additionally, the ideal near-vision correction can be achieved with precision, because the variable lenses emulate the focusing action of the youthful (non-presbyopic) eye.

  7. 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 ...

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

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

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  9. Chromatic aberration - Wikipedia

    en.wikipedia.org/wiki/Chromatic_aberration

    Many types of glass have been developed to reduce chromatic aberration. These are low dispersion glass, most notably, glasses containing fluorite. These hybridized glasses have a very low level of optical dispersion; only two compiled lenses made of these substances can yield a high level of correction. [9]