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Elementary school comprehensive intervention and myopia development:the Wenzhou Epidemiology of Refraction Error Study

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International Journal of Ophthalmology(English edition) 2022年第8期15卷 1363-1369页

作者： Dan-Dan Jiang Jie Chen Frank Thorn Guang-Yun Mao Chun-Chun Li Zhong Lin balamurali vasudevan Xiao-Qiong Huang Yan-Yan Chen The Eye Hospital of Wenzhou Medical University Wenzhou 325000Zhejiang ProvinceChina Deptartment of Brain&Cognitive Sciences MIT CambridgeCambridgeMA 02139USA School of Public Health Wenzhou Medical UniversityWenzhou 325000Zhejiang ProvinceChina College of Optometry MidWestern UniversityGlendaleAZ 84729USA

AIM:To investigate the effects of school-basedcomprehensive intervention on myopia development inelementary school ***:As a part of the Wenzhou Epidemiologyof Refraction Error Study,there were 1524 participatingelementary students(730 girls,47.9%)in grades 1 to3 from three campuses of one school,aged 7.3±0.9y,who were examined twice every year for a 2.5y follow *** intervention and other reminderswere given at school every semester for the *** control group did not receive comprehensiveintervention and did not have reminders of ***:There were 651 students in the interventiongroup[mean age 7.3±0.9y;294(45.2%)girls]and 737students in the control group[mean age 7.2±0.9y;346(46.9%)girls].Overall mean myopia progression duringthe 2.5y follow-up was-0.49±1.04 diopters(D)in theintervention group and-0.65±1.08 D in the control group(P=0.004).The majority that not get myopia at baselinespherical equivalent(SE≤-1.0 D).Their mean myopiaprogression during the 2.5y follow-up was-0.37±0.89 Din the intervention group and-0.51±0.93 D in the controlgroup(27.5%reduction,P=0.009);Overall,mean axiallength elongation was less in the intervention group(0.56±0.32 mm)than in the control group(0.61±0.38 mm,10.5%reduction,P=0.009).The percentage of close reading distance(<30 cm)in the intervention group was less than in the control group(73.4%vs 76.2%,P<0.001),the percentage of everyday perform eye exercises in the intervention group was more than in the control group(27.8%vs 20.7%,P<0.001)30mo ***:The comprehensive intervention program at elementary school has a significant alleviating effect on myopia progression for children during the 2.5y follow-up,especially for those non-myopia at baseline.

关键词： myopia progression axial length comprehensive intervention school children

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Comparison of ocular modulation transfer function determined by a ray-tracing aberrometer and a double-pass system in early cataract patients

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Chinese Medical Journal 2014年第19期127卷 3454-3458页

作者： Qiao Liya Wan Xiuhua Cai Xiaogu balamurali vasudevan Xiong Ying Tan Jiaxuan Guan Zheng David A Atchison Wang Ningli Beijing Tongren Eye Center Beijing Tongren Hospital CapitalMedical University Beijing Ophthalmology & Visual Science KeyLaboratory Capital Medical University Beijing 100730 China College of Optometry Midwestem University Glendale ArizonaUnited States School of Optometry & Vision Science and Institute of Health&Biomedical Innovation Queensland University of TechnologyAustralia

Background The evaluation of retinal image quality in cataract eyes has gained importance and the clinical modulation transfer functions （MTF） can obtained by aberrometer and double pass （DP） system. This study aimed to compare MTF derived from a ray tracing aberrometer and a DP system in early cataractous and normal eyes. Methods There were 128 subjects with 61 control eyes and 67 eyes with early cataract defined according to the Lens Opacities Classification System II1. A laser ray-tracing wavefront aberrometer （iTrace） and a double pass （DP） system （OQAS） assessed ocular MTF for 6.0 mm pupil diameters following dilation. Areas under the MTF （AUMTF） and their correlations were analyzed. Stepwise multiple regression analysis assessed factors affecting the differences between iTrace- and OQAS-derived AUMTF for the early cataract group. Results For both early cataract and control groups, iTrace-derived MTFs were higher than OQAS-derived MTFs across a range of spatial frequencies （P 〈0.01）. No significant difference between the two groups occurred for iTrace-derived AUMTF, but the early cataract group had significantly smaller OQAS-derived AUMTF than did the control group （P 〈0.01）. AUMTF determined from both the techniques demonstrated significant correlations with nuclear opacities, higher-order aberrations （HOAs）, visual acuity, and contrast sensitivity functions, while the OQAS-derived AUMTF also demonstrated significant correlations with age and cortical opacity grade. The factors significantly affecting the difference between iTrace and OQAS AUMTF were root-mean-squared HOAs （standardized beta coefficient=-0.63, P 〈0.01） and age （standardized beta coefficient=0.26, P 〈0.01）. Conclusions MTFs determined from a iTrace and a DP system （OQAS） differ significantly in early cataractous and normal subjects. Correlations with visual performance were higher for the DP system. OQAS-derived MTF may be useful as an indicator of visual performance in early cataract eyes.

关键词： cataract contrast sensitivity function double-pass system modulation transfer function retinal image quality," wavefront aberration

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青少年及儿童近视进展及其危险因素

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中华实验眼科杂志 2015年第12期33卷 1148-1152页

作者：林仲梁远波李晓霞 balamurali vasudevan Kenneth J Ciuffreda 温州医科大学附属眼视光医院 325027 郑州市第二人民医院 450000 College of Optometry Mid Western University Glendale AZ USA Departmentof Biological and Vision Sciences SUNY College of Optometry New YorkNY USA

近视是全球重要的公共卫生问题。青少年及儿童近视患病率因在全球范围，尤其在亚洲地区，快速增长且影响因素复杂多样而受到广泛关注。尽管目前已有大量关于青少年及儿童近视进展及其危险因素的报道，然而由于人群、近视定义、睫状肌麻... 详细信息

近视是全球重要的公共卫生问题。青少年及儿童近视患病率因在全球范围，尤其在亚洲地区，快速增长且影响因素复杂多样而受到广泛关注。尽管目前已有大量关于青少年及儿童近视进展及其危险因素的报道，然而由于人群、近视定义、睫状肌麻痹剂、验光方法等不同导致彼此间难以比较。本文就1990年至今关于青少年（〈18岁）和儿童近视进展及其与年龄、性别、屈光状态、近距工作、户外活动、父母近视或父母生育年龄等危险因素关系的报道进行总结。

关键词：近视进展危险因素

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