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KMID : 0360219670080010051
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Journal of the Korean Ophthalmological Society
1967 Volume.8 No. 1 p.51 ~ p.54
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Accuracy of Some Korean Test Charts and "Hahn´s New Test Chart"
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Abstract
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The test types used in three Korean test charts and "Hahn´s New Test Chart" were measured in detail to determine the accuracy with a caliper and micrometer which minimal limit of measurement was 1/10,000 inch.
The rate of accuracy of three Korean test charts was noted as 82.3%, 72.8%, and 77. 2% each, whereas that of the Hahn´s New Test Chart was 98.9%.
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