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  2. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    A lens which includes some amount of prism correction will displace the viewed image horizontally, vertically, or a combination of both directions. The most common application for this is the treatment of strabismus. By moving the image in front of the deviated eye, double vision can be avoided and comfortable binocular vision can be achieved ...

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

    www.aol.com/weather/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. Foggy lenses? The fix is finally here, and it's just $8 with ...

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

    If you're a glasses-wearer, you're familiar with the incompatibility of masks and spectacles. It comes down to one word, of course: fog. This problem is more than just an annoyance — foggy ...

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

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  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. Eyeglass prescription - Wikipedia

    en.wikipedia.org/wiki/Eyeglass_prescription

    The geometry of a toric lens focuses light differently in different meridians. A meridian, in this case, is a plane that is incident with the optical axis. For example, a toric lens, when rotated correctly, could focus an object to the image of a horizontal line at one focal distance while focusing a vertical line to a separate focal distance.

  8. Foggy glasses, mirrors and car windshields can be such a burden. The Fog Gone spray is the magical solution to keeping anything fog-free and ready to go. Whether it’s eyeglasses, swimming ...

  9. Refractive error - Wikipedia

    en.wikipedia.org/wiki/Refractive_error

    In order to see a clear image, the eye must focus rays of light on to the light-sensing part of the eye – the retina, which is located in the back of the eye.This focusing – called refraction – is performed mainly by the cornea and the lens, which are located at the front of the eye, the anterior segment.