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目的了解岳阳市学龄前儿童(3～7岁)视力发育状况及其影响因素,为视力异常的预防提供科学依据。方法采用随机整群抽样法对2768名3～7岁儿童进行调查。用儿童图形视力箱检测视力,对视力检测异常者进行屈光检测,并排除眼底器质性病变。结果学龄前儿童视觉功能发育随年龄增长逐渐成熟,儿童屈光异常类型主要为远视性屈光不正,弱视检出率为2.82%,其中远视性屈光不正性弱视占首位。结论应重视对学龄前儿童的眼保健工作,及时矫治屈光异常,采取综合干预措施控制视力异常的发生。
Objective To understand the visual acuity and influencing factors of pre-school children (3-7 years old) in Yueyang and to provide a scientific basis for the prevention of visual acuity abnormalities. Methods A random cluster sampling method was used to investigate 2768 children aged 3 to 7 years old. Visual acuity box with children to detect vision, abnormal visual acuity were detected refractive test, and exclude organic eye disease. Results The development of visual function in preschool children gradually matured with age. The main types of refractive abnormalities in children were hyperopia amblyopia, the detection rate of amblyopia was 2.82%, of which presbyopia amblyopia was the highest. Conclusions Should pay attention to preschool children’s eye health work, timely correction of refractive abnormalities, to take comprehensive interventions to control the occurrence of visual acuity.