Analysis of visual acuity and refractive status of kindergarten children and primary and middle school students in a community in Shanghai 2015-2018 / 公共卫生与预防医学

ABSTRACT

Objective To analyze the visual acuity and refractive status of kindergarten children and primary and middle school students in Xinhong Community of Shanghai from 2015 to 2018, and to provide basis and reference for the prevention and control of students' myopia. Methods The data of 3 904 person-times of complete visual acuity and refraction records from 2015 to 2018 was derived from the "Shanghai Residents' Eye Health Information Service System". Results From 2015-2018, the total detection rate of poor vision of kindergarten children and primary and middle school students was 60.86%, and the detection rate of poor vision in kindergarten, primary school and middle school was 29.90%，62.63% and 87.26% respectively，showing an increasing trend with the education stage (χ2=727.206，P2=19.949, P2=1099.978, P<0.05). In terms of growth rate, the increase in myopia in the first grade of primary school was the largest. Conclusion The myopia rate of primary and secondary school students was higher than that of kindergarten children, and showed an increasing trend with the education stage. The critical period of myopia prevention and control should be advanced to the kindergarten stage.