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1979年底,我们对化隆中学887名学生,进行色觉检查,现将检查情况报告如下:一、检查方法:(一)应用俞自萍(1964年板)色盲检查图,进行检查,如发现有问题者,又用其他色盲检查图,进行复查,最后确定。(二)自然光线,距离半公尺,时间30秒。二、普查结果:共检查学生887名,年龄10至17岁。患红绿色盲学生31名,发病率为3.49%。其中男生494名,红绿色盲学生30名,生病率为6.07%,女生393名,红绿色盲学生1名,生病率为0.26%
The end of 1979, we Habitat 887 students in secondary schools, color vision inspection, the inspection report is as follows: First, the inspection methods: (a) the application of Yu Zhiping (1964 board) color blind check chart to check if found to have problems , But also with other color-blind check chart, review, finalized. (B) natural light, half a meter away, time 30 seconds. Second, the census results: A total of 887 students were examined, aged 10 to 17 years. 31 suffering from red and green blind students, the incidence was 3.49%. Including 494 boys and 30 red-green blind students, with a prevalence rate of 6.07%, 393 girls and one red-green blind student with a prevalence of 0.26%