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  2. These Stylish, Doctor-Approved Reading Glasses Can Help ... - AOL

    www.aol.com/best-doctor-approved-reading-glasses...

    Conan Glasses. Dr. Raviv is impressed by Foster Grant’s Multi Focus technology, which offers three magnification strengths in one pair: One for interacting with people at the top, one for using ...

  3. Bioptics (device) - Wikipedia

    en.wikipedia.org/wiki/Bioptics_(device)

    Bioptics, also known as a bioptic in the singular, and sometimes more formally termed a bioptic telescope, is a term for a pair of vision-enhancement lenses.They magnify between two and six times, and are used to improve distance vision for those with severely impaired eyesight, especially those with albinism.

  4. Magnifying glass - Wikipedia

    en.wikipedia.org/wiki/Magnifying_glass

    Magnifying glasses typically have low magnifying power: 2×–6×, with the lower-power types being much more common. At higher magnifications, the image quality of a simple magnifying glass becomes poor due to optical aberrations, particularly spherical aberration. When more magnification or a better image is required, other types of hand ...

  5. Glasses - Wikipedia

    en.wikipedia.org/wiki/Glasses

    Man with glasses. A woman with glasses. Glasses, also known as eyeglasses and spectacles, are vision eyewear with clear or tinted lenses mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms, known as temples or temple pieces, that rest over the ears.

  6. Stare at the Solar Eclipse — Safely — With These Expert ...

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    Our list consists of glasses from reputable manufacturers according to the American Astronomical Society, plus two alternatives to traditional solar-viewing glasses: binoculars for strong ...

  7. Dioptre - Wikipedia

    en.wikipedia.org/wiki/Dioptre

    Thus an eye care professional, having determined that a myopic (nearsighted) person requires a basic correction of, say, −2 dioptres to restore normal distance vision, might then make a further prescription of 'add 1' for reading, to make up for lack of accommodation (ability to alter focus). This is the same as saying that −1 dioptre ...

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