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为了解宁夏回族中小学生色盲的发生情况,我们于1982年6～12月对宁夏银川地区(川区)和固原地区(山区)的30所小学、15所中学进行了色盲的调查。一、检查方法: 主要采用江苏新医学院第二附属医院眼科编绘的《色盲检查图》(人民卫生出版社1971年第3版);一张俞自萍编绘的《色盲检查图》(人民卫生出版社1964年第2版,其标准
In order to understand the occurrence of color-blindness among middle school and primary school students in Ningxia Hui Autonomous Region, we conducted color-blind surveys in 30 elementary schools and 15 secondary schools in Ningxia Yinchuan District (Chuan District) and Guyuan District (Mountain District) from June to December 1982. First, the inspection method: The main use of the Second Affiliated Hospital of Jiangsu New Medical College Ophthalmology edited “color blindness check map” (People’s Health Publishing House in 1971 3rd edition); a Yu Ziping’s “color blindness check map” (People’s Health Publishing Society, 2nd edition, 1964, its standard