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What Does 20 30 Vision Mean?

Answer

20/30 vision means that you can see a sign at 20 feet what a normal person would have to see at 30 feet. It is considered mild vision loss, or near-normal vision. People with such vision are recommended to get corrective lenses to bring their vision to normal.
Q&A Related to "What Does 20 30 Vision Mean?"
When your eyes are examined, the eye chart used for testing is set at a distance of 20 feet. The top, or first number in an acuity of 20/30, is a 20. This number represents the distance
http://www.ehow.com/facts_7310190_acuity-20_30-mea...
600 !
http://wiki.answers.com/Q/What_is_20_multiplied_by...
20, 22, 24, 25, 26, 28, and 30
http://wiki.answers.com/Q/What_composite_numbers_a...
20 as a percent of 30 = 100*20/30 = 67%
http://wiki.answers.com/Q/What_percent_of_30_is_20...
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