Diagnostic Tests of Color Defective Vision
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فراوانی کوری رنگ مادرزادی در دانش آموزان مدارس راهنمائی تهران
An epidemiologic study was conducted to determine the incidence of color blindness in secondary school students (age 12-14). A total of 2058 students (1136 boys and 922 girls) were examined with Ishihara pseudoisochromatic color plates Considering the special test conditions, best corrected vision was recorded for each individual. In the study population, 97 cases of defective color vision were...
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Macaque monkeys and normal human observers were tested on the same apparatus for the presence of a Purkinje shift. and for spectral sensitivity under scotopic and photopic conditions. The flicker fusion point for different lights was used as a measure of visual sensitivity in these tests and the testing procedure was a four-alternative forced choice. The results show that macaque monkeys and no...
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تاریخ انتشار 2001