据中山大学附属眼科中心眼科教授曾骏文介绍,广州市中小学生近视率近70%,且还有上升趋势,主要是由于中小学生近距离用眼过度、视野不开阔造成的。该中心与美国国立眼科研究所曾对5053名5～15岁青少年进行流行病学调查,有屈光不正的人占326%,屈光不正且没有进行矫正的学生占总人 According to Zeng Junwen, an ophthalmology professor at the Affiliated Eye Center of Sun Yat-sen University, the myopia rate of primary and secondary school students in Guangzhou is nearly 70% and there is still an upward trend. This is mainly due to the overuse of the eyes and the lack of vision of the pupils in primary and secondary schools. The center and the National Eye Institute of the United States conducted an epidemiological survey of 5053 adolescents aged 5 to 15 years, with 326% of patients with refractive errors and those with refractive errors who did not correct them