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我国青少年视力不良患病率长期居高不下,患病总人数居世界第一,且处在逐年增加状态。视力不良主要为近视,文献报告近视占学生视力不良的73.27%~98.00%[1]。季成叶[2]认为近视的发生和生长发育密切关联;视力不良率、“疑似近视率”及其严重程度在青春期的增长最迅猛。有报道小学四、五年级与初一、高一年级学生的视力不良增长趋势迅猛[3]。为了解目前小学三年级(即视力不良增长高
The prevalence of poor eyesight among adolescents in our country has persisted for a long time, with the total number of ill persons ranking first in the world and increasing year by year. Poor eyesight is mainly myopia, myopia accounted for 73.27% ~ 98.00% of poor eyesight reported in the literature [1]. Jiacheng [2] that the occurrence of myopia and growth and development are closely linked; poor eyesight rate, “suspected myopia ” and the severity of the most rapid growth in adolescence. It is reported that the fourth and fifth graders in primary schools and the first and the freshmen in the first year have a sharp increase in the poor eyesight [3]. To understand the current third grade (that is, poor eyesight high growth