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www.reference.com/health/20-600-vision-d6a8376da94ea800

The American Foundation for the Blind states that 20/200 vision is the clinical definition for legal blindness. Therefore, a person with 20/600 vision is considered legally blind. With 20/600 vision, an individual sees people only as shapes, WPTV indicates. CNN explains that this level of eyesight impairment is comparable to a newborn's eyesight.

www.familyconnect.org/info/after-the-diagnosis/working-with...

People with acuities of 20/200, 20/400, or 20/600 have some vision, but they don't see with the same degree of clarity that a person with an acuity of 20/20 or 20/50 sees. When a person has 20/200 distance acuity during an exam, he is usually only able to see the big "E" on the eye chart in the eye care specialist's office.

www.wolframalpha.com/widgets/view.jsp?id=1e8eec0db325b87b0...

Get the free "What does 20/50 vision "look" like?" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Health & Medicine widgets in Wolfram|Alpha.

www.netwellness.org/question.cfm/16037.htm

20/600 vision means you need to be twenty feet away from a standard letter size to recognize it; but the same sized letter could be seen at a distance of 600 feet by a patient with normal vision. The definition of legal blindness is explained in a response to a previous question (see link below), which was posted on 4/22/98. ...

www.grayfamilyvision.com/2013/02/what-does-20400-mean

What Does 20/400 Mean. We measure your quality of vision at 20 feet-this is the numerator (top twenty). The denominator (bottom 400) is a comparison to someone with standard vision. So if you have 20/400 vision you would have to be at 20 feet to see what one with standard vision would see at 400 feet.

index.healthboards.com/eyeandvision/20-600-vision/1

Having always thought that "legal" blindness was 20 /400 corrected vision (or worse), I did a little research. According to the World Health Organization (WHO), 20 /400 is the definition for legal blindness (rather than 20 /200 used by the U.S. government). My eyes have been about 20 / 600 uncorrected for a long time. Glasses were just a part of me, and I liked them (except...

www.quora.com/In-vision-terms-what-does-20-300-mean

In vision terms, what does 20/300 mean? Update Cancel. ... Let’s present a few examples: 20/300: These are rather large sized letters. ... 20/300 means you (the 20) can see at 20 feet what someone with perfect 20/20 vision can see at 300 feet. 20/300 is rather poor vision. 4.1k views · View 2 Upvoters.