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首页> 外文期刊>Clinical and experimental ophthalmology >Population-based survey of refractive error among school-aged children in rural northern China: The Heilongjiang eye study
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Population-based survey of refractive error among school-aged children in rural northern China: The Heilongjiang eye study

机译：基于人口的中国北方农村学龄儿童屈光不正调查：黑龙江省眼科研究

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摘要

Background: The prevalence of refractive error in the north of China is unknown. The study aimed to estimate the prevalence and associated factors of refractive error in school-aged children in a rural area of northern China. Design: Cross-sectional study. Participants or Samples: The cluster random sampling method was used to select the sample. Methods: A total of 1700 subjects of 5 to 18 years of age were examined. All participants underwent ophthalmic evaluation. Refraction was performed under cycloplegia. Association of refractive errors with age, sex, and education was analysed. Main Outcome Measures: The main outcome measure was prevalence rates of refractive error among school-aged children. Results: Of the 1700 responders, 1675 were eligible. The prevalence of uncorrected, presenting, and best-corrected visual acuity of 20/40 or worse in the better eye was 6.3%, 3.0% and 1.2%, respectively. The prevalence of myopia was 5.0% (84/1675, 95% CI, 4.8%-5.4%) and of hyperopia was 1.6% (27/1675, 95% CI, 1.0%-2.2%). Astigmatism was evident in 2.0% of the subjects. Myopia increased with increasing age, whereas hyperopia and astigmatism were associated with younger age. Myopia, hyperopia and astigmatism were more common in females. We also found that prevalence of refractive error were associated with education. Myopia and astigmatism were more common in those with higher degrees of education. Conclusion: This report has provided details of the refractive status in a rural school-aged population. Although the prevalence of refractive errors is lower in the population, the unmet need for spectacle correction remains a significant challenge for refractive eye-care services.
机译：背景：中国北部屈光不正的患病率尚不清楚。这项研究旨在评估中国北方农村地区学龄儿童屈光不正的患病率及其相关因素。设计：横断面研究。参与者或样本：使用整群随机抽样方法选择样本。方法：共检查了1700名5至18岁的受试者。所有参与者都接受了眼科评估。屈光是在睫状肌麻痹下进行的。分析了屈光不正与年龄，性别和教育程度的关系。主要指标：主要指标是学龄儿童屈光不正的患病率。结果：在1700名响应者中，有1675名符合条件。在较好的眼睛中，未矫正，呈现和最佳矫正视敏度为20/40或更差的患病率分别为6.3％，3.0％和1.2％。近视患病率为5.0％（84/1675，95％CI，4.8％-5.4％），远视患病率为1.6％（27/1675，95％CI，1.0％-2.2％）。散光在2.0％的受试者中很明显。近视随着年龄的增长而增加，而远视和散光与年龄的降低有关。近视，远视和散光在女性中更为常见。我们还发现屈光不正的患病率与教育程度有关。受过高等教育的人近视和散光更为普遍。结论：该报告提供了农村学龄人口屈光状态的详细信息。尽管在人群中屈光不正的患病率较低，但对眼镜矫正的未满足需求仍然是屈光眼保健服务的重大挑战。

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