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  2. Refractive error - Wikipedia

    en.wikipedia.org/wiki/Refractive_error

    Depending on the eyeglasses, they serve many functions. [37] Reading glasses These are general over-the-counter glasses which can be worn for easier reading, especially for defective vision due to aging called presbyopia. Single vision prescription lenses They can correct only one form of defective vision, either far-sightedness or near ...

  3. Glasses - Wikipedia

    en.wikipedia.org/wiki/Glasses

    The American Academy of Ophthalmology (AAO) does not recommend special eyewear for computer use, [13] [14] although it recommends using prescription glasses measured specifically for computer screen distance (depending on individuals, but possibly 20–26 inches from the face), which are not the same as "blue-light blocking" glasses. [21]

  4. Corrective lens - Wikipedia

    en.wikipedia.org/wiki/Corrective_lens

    In glasses with powers beyond ±4.00D, the vertex distance can affect the effective power of the glasses. [4] A shorter vertex distance can expand the field of view, but if the vertex distance is too small, the eyelashes will come into contact with the back of the lens, smudging the lens and causing annoyance for the wearer.

  5. Got prescription glasses? Here's how you should wear solar ...

    www.aol.com/got-prescription-glasses-heres-wear...

    Your eclipse glasses should be worn on top of your prescription eyeglasses. That's according to an Indiana University professor. “If you wear glasses, ...

  6. People ‘putting sight at risk’ as cost of living bites - AOL

    www.aol.com/people-putting-sight-risk-cost...

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  7. Pinhole glasses - Wikipedia

    en.wikipedia.org/wiki/Pinhole_glasses

    Additionally, pinhole glasses reduce brightness and peripheral vision, [1] [2] and thus should not be used for driving or when operating machinery. [3] Merchants state that, after prolonged use, the plastic grating should become easy to ignore. However, each time the user blinks, the horizontal lines of the grating will briefly appear to be ...

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