Visual acuity in preschool children of Yangpu District in Shanghai
10.19428/j.cnki.sjpm.2020.19043
- VernacularTitle:上海市杨浦区学龄前儿童视力的分析
- Author:
Zu-xian SUN
1
;
Yan-qing FENG
;
Hong WANG
;
Jia WANG
;
Hui-chen HE
;
Meng-jia ZHANG
;
Xiao-qian HUANG
Author Information
1. Shanghai Yangpu District Center of Eye Disease Prevention and Control, Shanghai Yangpu District Kongjiang Hospital, Shanghai 200082, China
- Publication Type:Research Article
- Keywords:
preschool children;
computer optometry;
cross-sectional study;
prevention and control of myopia;
rate of poor vision;
epidemiological survey
- From:
Shanghai Journal of Preventive Medicine
2020;32(2):181-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the visual acuity condition of preschool children in Yangpu District of Shanghai, providing the basis for formulation of corresponding intervention measures for myopia. Methods The inspection equipment was the international standard logarithmic E-word visual acuity chart, and the Canon RK-F1 automatic computer optometry instrument.By using cross-sectional study and random cluster sampling method, a total of 1 415 preschool children in 5 kindergartens in Yangpu District were selected according to their ages and genders, and their visual acuity and refractive parameters were examined with the result being statistically analyzed. Results In preschool children of Yangpu District, their envisage rate was 80.4%, myopia rate 16.7% and hyperopia rate 2.9%.There was no significant difference in the incidence rate of envisage, myopia and hyperopia between different age groups (χ2=3.419, P=0.755) and different genders (χ2=2.433, P=0.296).The rate of poor vision for preschool children in Yangpu was 10.5%.There was a statistically significant difference in the rate of poor vision between different age groups (χ2=9.637, P=0.022) and different genders (χ2=4.191, P=0.041). Conclusion The visual acuity rate and myopia rate in preschool children are not optimistic and need further screening and early intervention.
