中山市小学生近视年患病率和发病率的流行病学调查

Prevalence and incidence of myopia of school children in Zhongshan city

目的:了解中山市小学生近视的发病率和患病率。方法:采用整群抽样的方法,参照《眼科全书》近视诊断标准,对不同年龄学生进行标准视力检查,采用ARK-30/AR-20手持式电脑验光/曲率计,对所有样本均进行小瞳下屈光度检查和角膜曲率检测;采用STRONG6000AB便携式眼科A/B超声诊断仪对样本眼轴长度进行测量。对该群样本1a后再次进行屈光状态的检查。结果:中山市小学生近视率为51.7%,1a中,近视发病率每100例学生平均发病11.3±1.86例。结论:近视随年龄增长发病增加。

AIM： To obtain the prevalence and incidence of myopia at primary school in Zhongshan City. METHODS： According to the myopia criteria of Eye Encyclopedia of China, we used cluster sampling to make the study sample. Ocular vision, corneal curvance, anterior chamber length, lens lengths and vitreous length were conducted with ARK-30/AR-20 automatic refractive instrument/corneal curvance and STRONG 6000AB portable ocular A/B ultrasonic on these samples. The refractive status were reconducted on these samples one year later. RESULTS： The prevalence of myopia at primary school in Zhongshan City was 51.7% and 11.3 ± 1.86 students newly developed myopia per hundred. CONCLUSION： The myopia deepened with age.