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This is the report of a study of central visual acuity among American adults aged 18 to 79. As in most Public Health Service reports, this is jammed full of data (ie, 60% of adults wear glasses; 20% report severe headaches; ophthalmologic examination revealed two thirds of the adults had normal eyes; 30% had abnormalities of the fundus). Neat tables summarize the vital statistics.
I suspect it will make fascinating reading in some future age—when the 1962 time capsule is cracked-and some vital statistician becomes intrigued with visual acuity of latter 20th century homo sapiens—Western variety. Otherwise...?
Vital and Health Statistics: History and Examination Findings Related to Visual Acuity Among Adults, United States-1960-1962.. Arch Intern Med. 1968;122(3):290. doi:10.1001/archinte.1968.00300080098048