Different patterns of myopia prevalence and progression between internal migrant and local resident school children in Shanghai, China: a 2-year cohort study.
Different patterns of myopia prevalence and progression between internal migrant and local resident school children in Shanghai, China: a 2-year cohort study.
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DOI：
10.1186/s12886-018-0716-3
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发表时间：
2018-02-23
影响因子：
2
通讯作者：
Zou H
中科院分区：
文献类型：
--
作者：
Ma Y;Lin S;Zhu J;Xu X;Lu L;Zhao R;Zhao H;Li Q;Hou Z;He X;Zou H
2010年，中国约有3600万18岁以下的流动儿童。本研究比较了流动儿童和常住儿童的近视患病率和进展模式。随机抽取上海市宝山区2所外来务工人员学校的842名流动儿童和2所本地学校的1081名流动儿童。对一至四年级的儿童进行基线测量，并对一年级和二年级的儿童进行为期2年的随访。孩子们接受了全面的眼科检查，包括睫状肌麻痹验光和眼轴长度。调查了每周平均花在家庭作业和户外活动上的时间。流动儿童在一、二年级的近视患病率低于常住儿童，但从三、四年级开始，近视患病率加速上升，超过常住儿童。随诊中，常住儿童近视发生率在1 ~ 2年级间无显著性差异，而流动儿童近视发生率在2年级时显著高于常住儿童。相应地，对于流动儿童，观察到屈光度和眼轴长度的进展增加;然而，常住儿童的屈光度和眼轴长度下降。随着流动儿童近视患病率的增加，家庭作业平均时间从二年级增加到三年级，但户外活动时间没有相应变化。流动儿童与非流动儿童的近视患病率和发展模式不同。流动儿童近视的加速发展可能是由于他们所处的环境发生了变化，如密集的教育压力。
In 2010, there were ~ 36 million migrant children under 18 y old in China. This study compared patterns of myopia prevalence and progression between migrant and resident children. Eight hundred forty-two migrant children from 2 migrant schools and 1081 from 2 local schools in Baoshan District, Shanghai, were randomly chosen. Baseline measurements were taken on children in grades one through four, and children in grades one and two were followed for 2 y. The children underwent comprehensive ophthalmic examinations, including cycloplegic refraction and axial length. The average time per week spent on homework and outdoor activities were investigated. Migrant children in grades one and two showed a lower myopia prevalence than resident children; however, from grades three to four, the prevalence accelerated and exceeded that of residents. In the follow-up, the myopia incidence did not significantly change from grades one to two in resident children but was significantly higher in grade two in migrant children. Correspondingly, for migrant children, increased progression of refraction and axial length was observed; however, it decreased in resident children. The average time spent on homework increased from grades two to three in parallel with the acceleration of myopia prevalence for migrant children; however, the time spent outdoors did not correspondingly change. The patterns of myopia prevalence and progression are different between migrant and non-migrant children. The acceleration of myopia in migrant children might be a result of a change in their environment, such as intensive education pressure.
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DOI：
10.1136/bjophthalmol-2012-302468
发表时间：
2013-06
期刊：
The British journal of ophthalmology
影响因子：
--
作者：
Liang YB;Lin Z;Vasudevan B;Jhanji V;Young A;Gao TY;Rong SS;Wang NL;Ciuffreda KJ
通讯作者：
Ciuffreda KJ
影响因子：
1.5
作者：
Nielsen, Ingrid;Nyland, Chris;Zhu, Cherrie
通讯作者：
Zhu, Cherrie
影响因子：
4.5
作者：
He J;Lu L;Zou H;He X;Li Q;Wang W;Zhu J
通讯作者：
Zhu J
影响因子：
4.5
作者：
Sun X;Chen M;Chan KL
通讯作者：
Chan KL
影响因子：
2.4
作者：
Hamasaki, Ichiro;Hasebe, Satoshi;Ohtsuki, Hiroshi
通讯作者：
Ohtsuki, Hiroshi