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在生物学理论上,认为近视是由于已确定的发生学上的特点所致;而过度用眼说则认为是由于习以为常地长期近焦距从事近视力工作之结果,后一理论认为近视眼是可以预防的,而前一理论则不然。近视程度可因年龄、性别、种族、教育水平、社会地位、生活都市化水平等因素而各不相同。过度用眼说的流行病学解释是:近视乃由于某些人比别人从事更近距离的工作而引起。本文援引美国公共卫生部1966-1970年对12至17岁少年所作之健康普查资料来加以阐明,这
In biological theory, myopia is thought to be due to certain characteristics of the occurrence of learning; and excessive use of the eye is considered to be due to the long-term near-focus acupuncture work in near-vision, the latter theory that myopia can be Preventive, while the previous theory is not. Myopia may be due to age, gender, race, education level, social status, living level of urbanization and other factors vary. The overly eye-catching epidemiological explanation is that myopia is caused by the fact that some people work more closely than others. This article cites the U.S. Department of Public Health’s health census data from 1966 to 1970 for 12 to 17-year-olds