Group Info

  • Vision 20
  • Within the refractive errors are myopia, hyperopia, astigmatism and presbyopia. In the first place, myopia "is the difficulty to see from afar and is associated, most of the time, with an eye that is longer than normal, which causes the image to focus in...  more
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    • 1 total member
    • Last updated September 6, 2020

Vision 20

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