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  2. Visual acuity - Wikipedia

    en.wikipedia.org/wiki/Visual_acuity

    Acuity is a measure of visual performance and does not relate to the eyeglass prescription required to correct vision. ... 6/6 vision or "better" (20/ ... 20/30 10/15 ...

  3. Optics and vision - Wikipedia

    en.wikipedia.org/wiki/Optics_and_vision

    The metric equivalent is 6/6 vision where the distance is 6 meters. The 20/x number does not directly relate to the eyeglass prescription required to correct vision; rather an eye exam seeks to find the prescription that will provide at least 20/20 vision. [citation needed]

  4. Talk:Eyeglass prescription - Wikipedia

    en.wikipedia.org/wiki/Talk:Eyeglass_prescription

    The top letter on many eye charts represents 20/200 vision. This is the boundary for legal blindness; the US Social Security administration, for example, states that "we consider you to be legally blind if your vision cannot be corrected to better than 20/200 in your better eye."

  5. Even With 20/20 Vision, I Wear These Glasses Every Day - AOL

    www.aol.com/lifestyle/even-20-20-vision-wear...

    Even With 20/20, I Wear These Glasses Every Day JOE LINGEMAN "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Shop Now $130 caddislife.com

  6. A new surgery can give legally blind people 20/20 vision - AOL

    www.aol.com/news/2016-12-15-a-new-surgery-can...

    Within a few months, almost all patients went from having an average of 20/1290 vision to 20/20 vision! Even more amazing, the amount of time between the trauma and the treatment didn't seem to ...

  7. Eyeglass prescription - Wikipedia

    en.wikipedia.org/wiki/Eyeglass_prescription

    An eyeglass prescription. Similar to medical prescriptions, eyeglass prescriptions are written on paper pads or included in a patient's electronic health record, and contain a number of different abbreviations and terms: DV is an abbreviation for distance vision. This specifies the part of the prescription designed primarily to improve far vision.

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