Investigation on visual acuity and refractive status of preschool children aged 3-6 years in Xinzheng city
Objective:To investigate visual acuity and refractive status of preschool children aged 3-6 years in Xinzheng city. Methods:A total of 6060 preschool children aged 3-6 years old from 50 kindergartens in Xinzheng city from April to June 2021 were selected by using the convenient sampling method for the cross-sectional study. All of them underwent visual acuity and refractive examination. The detection of visual abnormalities and refractive abnormalities in the preschool children of different ages and genders was statistically analyzed. Results:Among the 6060 preschool children,452 cases of abnormal vision were detected with a detection rate of 7.46％. The detection rate of abnormal vision in the 3-year-old group was the highest (8.67％),and the detection rate of abnormal vision decreased with age (P<0.05). The detection rate of abnormal vision in the preschool girls was higher than that in the preschool boys. The detection rate of simple hyperopia was 1.47％;the detection rate of simple myopia was 4.31％;and the detection rate of simple astigmatism was 1.68％. The detection rate of simple myopia was the highest in all age groups. Conclusions:Among the 6060 preschool children in Xinzheng city,the detection rate of abnormal vision is 7.46％,among which the detection rate of abnormal vision in the 3-year-old group is the highest. The detection rate of abnormal vision in the preschool girls is higher than that in the preschool boys,and the detection rate of simple myopia is the highest in all age groups.
万方数据
