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Visual Acuity Conversion Chart*
Visual Acuity Conversion Chart* Distance LogMAR Acuity Chart Near Snellen Feet 20/ ... Sloan LL. New test charts for the measurement of visual acuity. Am J Ophthalmol. 1959;48:808-813. 2. Report of Working Group 39, Committee of Vision, National Academy of Sciences. Recommended standard procedures for the clinical measurement and specification ...
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