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色觉异常(色盲、色弱)遗传方式已肯定为性连锁隐性遗传。以往少数民族人群中的调查资料欠缺。为了进一步了解少数民族色觉异常的发病情况。我们对我省怀化地区通道侗族自治县的侗族人群进行了一次色觉调查,现将调查情况报告于后调查对象及方法调查对象:随机抽样双江和马龙二个公社四个大队。对象是六岁以上的全体侗族人,不分性别、年龄、凡与汉族通婚者其子女不在调查之例,共查1989人,其中男性992人,女性997人。调查方法:采用俞自萍氏色盲检查图,逐个在自然光照下,距离50—100厘米进行检查
Color vision abnormalities (color blindness, color weakness) heredity has been identified as sex-linked recessive inheritance. In the past minority survey data lacking. In order to further understand the incidence of abnormal color vision in ethnic minorities. We carried out a color survey on the Dong people in the Dongdao Autonomous County of Huaihua in our province. We will report the investigation afterwards and the survey respondents: We randomly sampled four brigades of the communes of Shuangjiang and Malone. The target population is all over the age of six Dong, regardless of gender, age, where Han children are not married to the investigation of cases, a total of 1989 surveyed people, of which 992 were males, 997 females. Survey method: Yuzhong Ping color blind check chart, one by one in natural light, check 50-100 cm distance