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我校对于1988年学生体检中应用俞自萍氏编制的色觉检查图(第四版)试读,同时采用彩色丝线挑选法进行单色辨别力检查,初一至高三各年级全部学生(其中男776名,女708名)进行了色觉障碍调查,年龄在11～19岁,结果如下: 受检1484名学生中,有色觉障碍者34名(色盲32例、色弱2例),全为男性,占男生总数的4.38％,而女性无一例检出。单色能辨者:在34例患者中有24例,占70％;9例Ⅰ级患者中有4例,占44％;25例Ⅱ级以下患者中有20例,占80％(其中2例色弱者均能辨单色)。
Our school applied the color vision examination chart (Fourth Edition) compiled by Yu Ziping in student examination in 1988. At the same time, we used the color silk thread selection method to check the monochromatic discrimination. There were 776 students in all grades from grade one to grade three. 708 females) A color vision disorder survey was conducted between 11 and 19 years old. The results are as follows: Among the 1484 students examined, 34 were color vision disorderers (32 cases with color-blindness and 2 with color weakness), all males, accounting for the total number of male students 4.38%, and none of the women were detected. Monochromatists: 24 of 34 patients (70%); 4 of 9 patients of grade I (44%); 20 of 25 patients of grade II (80%) (2 of them Indifferent cases can distinguish monochrome).