Analysis of the correlation between refractive state and refractive parameters in children aged 3-12 years

Wang Yang; Zhao Rulian; Pi Lianhong

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Analysis of the correlation between refractive state and refractive parameters in children aged 3-12 years

更新时间：2021-08-23

- Analysis of the correlation between refractive state and refractive parameters in children aged 3-12 years
- Health Medicine Research and Practice Vol. 17, Issue 5, Pages: 22-26(2020)
- 作者机构：
  
  重庆医科大学附属儿童医院眼科
- 作者简介：
- 基金信息：
- DOI：
  CLC： R778.11
- Published：2020，
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[1]王阳,赵汝莲,皮练鸿.3～12岁儿童屈光状态与屈光参数相关性分析[J].保健医学研究与实践,2020,17(05):22-26.

Wang Yang, Zhao Rulian, Pi Lianhong. Analysis of the correlation between refractive state and refractive parameters in children aged 3-12 years. [J]. Health Medicine Research and Practice 17(5):22-26(2020)
[1]王阳,赵汝莲,皮练鸿.3～12岁儿童屈光状态与屈光参数相关性分析[J].保健医学研究与实践,2020,17(05):22-26. DOI：

Wang Yang, Zhao Rulian, Pi Lianhong. Analysis of the correlation between refractive state and refractive parameters in children aged 3-12 years. [J]. Health Medicine Research and Practice 17(5):22-26(2020) DOI：

摘要

目的探讨3～12岁儿童屈光发育特点

分析屈光状态与屈光参数的相关性。方法选取2017年6月-2018年6月于重庆某医院眼科门诊就诊的3～12岁儿童600例（1 200只眼）作为研究对象

通过睫状肌麻痹检影验光及光学生物测量仪获得其屈光度、眼轴长度（AL）、水平角膜屈光力（K1）、垂直角膜屈光力（K2）、前房深度值（ACD）

并计算眼轴长度/角膜曲率半径比值（AL/CR）

分析年龄、屈光度与各屈光参数的相关关系。结果 3～6岁组远视发生率最高（73.13%）

7～9岁组次之（48.89%）

10～12岁组最低（15.00%）

不同年龄组远视发生率差异有统计学意义（χ2=278.329

P<0.05）。10～12岁组近视发生率最高（69.72%）

7～9岁组次之（34.44%）

3～6岁组最低（6.67%）

不同年龄组近视发生率差异有统计学意义（χ2=364.991

P<0.05）。研究对象等效球径（SE）

K2数值随着年龄增长而变小

而K1、AL、ACD和AL/CR数值则随着年龄增长而增大

近视的界值是AL/CR为3。不同年龄组SE、K1、AL、ACD和AL/CR的差异均具有统计学意义（P<0.05）。不同屈光度组的SE、K1、K2、AL、ACD和AL/CR差异均具有统计学意义（P<0.05）。相关性分析结果显示:K1

K2及ACD与SE呈中度负相关（r=-0.525、-0.458、-0.604;P<0.05）

而AL、AL/CR与SE呈高度负相关（r=-0.802、-0.847;P<0.05）。结论 3～12岁儿童的屈光状态会随着年龄的增加而发生变化

总的发展趋势为远视-正视-近视。眼轴长度、角膜屈光力是影响屈光状态的主要因素。AL/CR>3可作为正视向近视发展的高危指标

而7～9岁可认为是学龄儿童由正视向近视化发展的活跃期。

Abstract

Objective To investigate the developmental characteristics of refractive parameters and to evaluate its associations with refraction in children aged 3-12 years. Methods Six hundred children（1 200 eyes） aged 3-12 years were studied in an ophthalmic clinic in a chongqing hospital from June 2017 to June 2018

Biometric measurements including axis length（AL）

horizontal corneal diopter（K1）

vertical corneal diopter（K2） and anterior chamber depth（ACD）

and axis length/corneal curvature radius ratio（AL/CR） was calculated. The correlation between age

diopter and refractive parameters was analyzed.Results The incidence of hyperopia was the highest in the 3-6 year old group（73.13%）

the next in the 7-9 year old group（48.89%） and the lowest in the 10-12 year old group（15.00%）

there was a significant difference among different age groups（χ2=278.329

P<0.05）. The incidence of myopia was the highest in the 10-12 year old group（69.72%）

the next in the 7-9 year old group（34.44%）

and the lowest in the 3-6 year old group（6.67%）

there was a significant difference among different age groups（χ2=364.991

P<0.05）. Spherical equivalent（SE）and K2 gradually decreased with age.K1

ACD and AL/CR increased with age.The boundary value of myopia is AL/CR=3.The differences of SE

ACD and AL/CR among different age groups were statistically significant（P <0.05）. The differences of SE

ACD and AL/CR in different diopter groups were statistically significant（P<0.05）.K1

K2 and ACD showed moderately negative correlation with SE（r=-0.525

-0.458

-0.604; P<0.05）. AL

AL/CR is highly negatively correlated with SE（r=-0.802

-0.847; P<0.05）. Conclusion The refractive status of children aged 3-12 years will change with age

and the general development trend is hyperopia-emmetropia-myopia. AL and K are the main factors affecting refractive state.AL/CR>3 can be used as a high risk indicator to measure whether emmetropization into myopia

7-9 years old can be regarded as the main phase from emmetropization to myopization of school-age children.

关键词

儿童屈光状态眼轴角膜屈光力眼轴长度/角膜曲率半径比值等效球径

Keywords

ChildRefractive stateAxis lengthCorneal refractive powerAxis length/corneal curvature radius ratioSpherical equivalent

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