Analysis of refractive status of preschool children in Suzhou High-tech Zone
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摘要:
目的 观察学龄前儿童屈光状态、屈光不正检出率和发展趋势,为控制青少年屈光不正与提高儿童保健服务水平提供帮助。 方法 于2020年9—12月对苏州市高新区27 561名(55 122眼)3~6岁学龄前儿童进行横断面调查,使用伟伦双目视力筛查仪筛查屈光状态。 结果 学龄前儿童屈光不正检出率为9.5%,散光为8.6%,远视为1.3%,近视为0.5%。其中6岁组近视(1.1%)和远视检出率(2.2%)均最高,且年龄越大,球镜屈光度越低、柱镜屈光度越高。柱镜差异女童异常率(1.3%)高于男童(0.9%),屈光总参差异常率女童(2.3%)也高于男童(1.9%)。散光以混合散光(49.1%)和复合远视散光(39.2%)为主,年龄越大,复合远视散光检出率越低; 以顺规散光为主(97.5%),年龄越大,顺规散光检出率越高,而逆规散光和斜轴散光检出率越低。 结论 近视远视检出率在6岁时显著提高,屈光参差和轴向散光在6岁时也达到最高。应关注儿童散光问题,尤其是顺规散光应受到高度关注。 Abstract:Objective To observe the refractive status of preschool children, and to explore the prevalence and development trend of ametropia in preschool children, so as to provide support for controlling adolescent ametropia and improving children's health care service. Methods This cross-sectional survey was conducted among 27 561 preschool children (55 122 eyes) aged 3-6 years old in the High-tech Zone of Suzhou from September to December 2020. The refractive status was screened by the US Weilun binocular optometry. Results The total detection rate of ametropia was 9.5%, including 8.6% of astigmatism, 1.3% of hyperopia and 0.5% of myopia. The detection rates of myopia (1.1%) and hyperopia (2.2%) were the highest in the 6-year-old group, and the older the age was, the lower the spherical diopter was, and the higher the cylindrical diopter was. The abnormal rate of colposcopy in girls (1.3%) was higher than that in boys (0.9%), and the abnormal rate of total anisometropia in women (2.3%) was also higher than that in men (1.9%). The main astigmatism was mixed astigmatism (49.1%) and compound hyperopia astigmatism (39.2%); The older the age, the lower the detection rate of compound hyperopia astigmatism. And it is dominated by regular astigmatism(97.5%); The higher the age, the higher the detection rate of astigmatism with the rule, while the lower the detection rates of astigmatism against the rule and oblique axis astigmatism. Conclusion The detection rate of myopia and hyperopia increased significantly at the age of 6, and anisometropia and axial astigmatism also reached the highest at the age of 6. Local health care departments should pay attention to children's astigmatism, especially astigmatism with the rule. -
Key words:
- Refraction, ocular /
- Refractive errours /
- Pervalence /
- Child, preschool
1) 利益冲突声明 所有作者声明无利益冲突。 -
表 1 不同年龄学龄前儿童屈光不正和屈光参差异常检出率比较
Table 1. Comparison of distribution of ametropia and anisometropia among preschool children by age
年龄/岁 人数 屈光不正 屈光参差 近视 远视 散光 总屈光不正 球镜参差异常 柱镜参差异常 总参差异常 3 8 313 36(0.4) 97(1.2) 700(8.4) 770(9.3) 130(1.6) 98(1.2) 199(2.4) 4 9 781 33(0.3) 128(1.3) 824(8.4) 903(9.2) 114(1.2) 106(1.1) 186(1.9) 5 8 121 42(0.5) 99(1.2) 729(9.0) 800(9.9) 104(1.3) 73(0.9) 153(1.9) 6 1 346 15(1.1) 30(2.2) 124(9.2) 150(11.1) 32(2.4) 20(1.5) 943(3.2) 合计 27 561 126(0.5) 354(1.3) 2 377(8.6) 2 623(9.5) 380(1.4) 297(1.1) 581(2.1) χ2值 16.61 10.69 2.80 6.74 15.81 5.34 14.99 P值 < 0.01 0.01 0.42 0.08 < 0.01 0.15 < 0.01 注: ()内数字为检出率/%。 表 2 不同组别学龄前儿童屈光度散光类型和轴向散光类型构成
Table 2. Constituent ratio of refraction astigmatism types and axial astigmatism types in preschool children
组别 选项 屈光度散光类型 轴向散光 眼数 单纯近视
散光眼数复合近视
散光眼数复合远视
散光眼数混合
散光眼数眼数 顺规
散光眼数逆规
散光眼数斜轴
散光眼数年龄/岁 3 5 828 516(8.9) 203(3.5) 2 398(41.1) 2 711(46.5) 1 055 1 018(96.5) 19(1.8) 18(1.7) 4 6 889 525(7.6) 237(3.4) 2 761(40.1) 3 366(48.9) 1 239 1 207(97.4) 8(0.6) 24(2.0) 5 5 722 430(7.5) 201(3.5) 2 125(37.1) 2 966(51.8) 1 119 1 097(98.0) 5(0.5) 17(1.5) 6 917 94(10.3) 57(6.2) 310(33.8) 456(49.7) 195 194(99.5) 0 1(0.5) 性别 男 10 226 875(8.6) 374(3.7) 3 892(38.1) 5 085(49.7) 1 886 1 846(97.9) 18(1.0) 22(1.2) 女 9 130 690(7.6) 324(3.5) 3 702(40.5) 4 414(48.3) 1 722 1 670(97.0) 14(0.8) 38(2.2) 合计 20 886 1 565(8.1) 698(3.6) 7 594(39.2) 9 499(49.1) 3 608 3 516(97.5) 32(0.9) 60(1.7) 注: ()内数字为构成比/%。 -
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