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

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

    When reading glasses are made to your unique prescription and measured for your eyes, the quality of vision is far superior compared to OTC reading glasses, adds Caroline Cho, O.D., optometrist at ...

  3. Environmental medicine - Wikipedia

    en.wikipedia.org/wiki/Environmental_medicine

    Environmental medicine is concerned primarily with prevention. Food-borne infections or infections that are water-borne (e.g. cholera and gastroenteritis caused by norovirus or campylobacteria) are typical concerns of environmental medicine, but some opinions in the fields of microbiology hold that the viruses, bacteria and fungi that they study are not within the scope of environmental ...

  4. Myopia - Wikipedia

    en.wikipedia.org/wiki/Myopia

    A 2012 review could not find strong evidence for any single cause, although many theories have been discredited. [35] Twin studies indicate that at least some genetic factors are involved. [ 27 ] [ 36 ] [ 37 ] Myopia has been increasing rapidly throughout the developed world, suggesting environmental factors are involved.

  5. Refractive error - Wikipedia

    en.wikipedia.org/wiki/Refractive_error

    Eyeglasses work as an added lens of the eye serving to bend the light to bring it to focus on the retina. 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.

  6. I tried those Pair Eyewear glasses with the magnetic ... - AOL

    www.aol.com/lifestyle/tried-those-pair-eyewear...

    I ordered a pair of, er, Pair glasses with black frames and a navy-blue top, because I'm boring. My only regret is that I didn't choose something fun like The Retro Batman.

  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. 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.

  9. Adjustable-focus eyeglasses - Wikipedia

    en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

    Adjustable focus eyeglasses have one focal length, but it is variable without having to change where one is looking. Possible uses for such glasses are to provide inexpensive eyeglasses for people from low-income groups , developing countries , third world countries or to accommodate for presbyopia.

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