Difference between revisions of "20/20"
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(New page: '''20/20''' is the medical descriptor attached to perfect eyesight. An abbreviation, its expanded meaning is that an object 20 feet away, in fact appears to be 20 feet away to the...) |
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Revision as of 20:10, August 7, 2008
20/20 is the medical descriptor attached to perfect eyesight. An abbreviation, its expanded meaning is that an object 20 feet away, in fact appears to be 20 feet away to the patient.