Test Stand
Posted November 6, 2009
By admin
What do the fractions (ex. 20/20) in an eye test stand for/mean? What is bad in fraction form?
And I dont mean whatdoes 20/20 mean? I know that that is normal/perfect. I mean what do the fractions mean in an eye test?
20/10 is the best eyesight known....but very rare
20/20 is common and is good eyesight
20/200 is legally blind
the higher the denominator (bottom number) the worse the vision. All it means is that say someone had 20/40 vision....they can see something at 20 feet that a normal person can see from 40 feet
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