目的在我国行车有关人员的就业体检中,历来是依据临床病型诊断,只要诊断为色觉异常,则不问其异常的性质和程度如何即被淘汰。因为人们相信,色觉异常会误认色光信号灯而造成某些行车事故。然而,国外许多学者对色觉异常的驾驶员与交通事故关系的详细考察和实验室研究的结果认为:绝大多数色觉异常的司机却从未有过交通事故,而因色觉异常误认了信号灯的色光,造成交通 Purpose In the employment medical examination of the relevant personnel in our country, it has always been diagnosed on the basis of clinical type. As long as the diagnosis of abnormal color vision, it is eliminated regardless of the nature and extent of its abnormality. Because people believe that abnormal color vision will be mistaken color lights and cause some traffic accidents. However, many foreign scholars on the abnormal color of the driver and traffic accident investigation and laboratory studies concluded that: the vast majority of abnormal color vision drivers have never had a traffic accident, but due to abnormal color perception of the lights Color light, causing traffic