Anisometropia and its correction in children in northwest China: A study based on autorefraction data.

IF 4.9 2区 医学 Q1 OPHTHALMOLOGY Clinical and Experimental Ophthalmology Pub Date : 2024-08-06 DOI:10.1111/ceo.14430
Qian Yao, Junhan Wei, Lu Ye, Xianyi Duan, Meixia Ren, Jie Min, Pei Cheng, Guoyun Zhang
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Abstract

Background: To investigate the prevalence and correction of anisometropia among primary school children in northwestern China.

Methods: A cross-sectional school-based study was conducted in Shaanxi Province. Visual acuity (VA) and autorefraction without cycloplegia were assessed in all participants, and some received axial length (AL) measurements. Anisometropia was categorised based on spherical equivalent (SE), cylindrical (CYL), and AL. The prevalence of anisometropia and refractive correction across different ages and sexes, and correlations between ocular parameters, were analysed.

Results: The study included 29 153 children aged 6-12 (mean age 9.52 ± 1.73 years) for VA and autorefraction measurements, and 1176 children for AL measurements. The prevalence of myopia (SE ≤ -0.50 D), hyperopia (SE ≥ +0.50 D), and anisometropia (interocular SE difference ≥1.00 D) was 65.26%, 15.09%, and 16.50%, respectively. Anisometropia severity, based on SE (χ2 = 443.758, p < 0.001), CYL (χ2 = 41.669, p < 0.001), and AL (χ2 = 95.505, p < 0.001), increased with age, with no significant differences between sexes. Interocular SE difference correlated with interocular spherical power (r = 0.806, p < 0.001), CYL (r = 0.21, p < 0.001), and AL (r = 0.365, p < 0.001). Additionally, interocular CYL difference was positively correlated with interocular AL difference (r = 0.16, p < 0.001). Despite the high prevalence of anisometropia, less than 30% of affected children received refractive correction.

Conclusions: Anisometropia of SE, CYL, and AL increased progressively with age. Despite the elevated prevalence of anisometropia, the utilisation of refractive correction remained strikingly low.

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中国西北地区儿童的斜视及其矫正:基于自动屈光数据的研究。
背景:调查中国西北地区小学生近视的发生率和矫正情况:调查中国西北地区小学生近视的发生率和矫正情况:在陕西省开展了一项横断面校本研究。所有参与者均接受了视力(VA)和无回旋屈光度的自动屈光度评估,部分参与者还接受了轴长(AL)测量。根据球面等效视力(SE)、圆柱视力(CYL)和轴向长度(AL)对斜视进行分类。研究分析了不同年龄和性别儿童的斜视患病率和屈光矫正情况,以及眼部参数之间的相关性:研究共对 29 153 名 6-12 岁儿童(平均年龄为 9.52 ± 1.73 岁)进行了视力和自动屈光度测量,对 1176 名儿童进行了屈光度测量。近视(SE ≤ -0.50 D)、远视(SE ≥ +0.50 D)和异视(眼间 SE 差≥1.00 D)的发生率分别为 65.26%、15.09% 和 16.50%。基于 SE 的斜视严重程度(χ2 = 443.758,P 2 = 41.669,P 2 = 95.505,P 结论:随着年龄的增长,SE、CYL 和 AL 的斜视度数逐渐增加。尽管近视的发生率很高,但屈光矫正的使用率却很低。
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来源期刊
CiteScore
7.60
自引率
12.50%
发文量
150
审稿时长
4-8 weeks
期刊介绍: Clinical & Experimental Ophthalmology is the official journal of The Royal Australian and New Zealand College of Ophthalmologists. The journal publishes peer-reviewed original research and reviews dealing with all aspects of clinical practice and research which are international in scope and application. CEO recognises the importance of collaborative research and welcomes papers that have a direct influence on ophthalmic practice but are not unique to ophthalmology.
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