Eyeglass prescription and refractive examination of grade 4-6 primary school students in Henan / 中国学校卫生

ABSTRACT

Objective@#To analyze the prevalence of poor vision and eyeglass prescription, refractive examination among primary school students of grade 4-6 in Henan, so as to provide scientific basis for precise interventions for student vision health.@*Methods@#A stratified cluster random sampling method was used to investigate a total of 29 187 students of grade 4-6 from 17 cities in Henan Province. Distant vision examination and questionnaire survey were conducted.@*Results@#The overall prevalence of poor vision for grade 4-6 students in Henan was 63.6%, with girls (69.0%) higher than boys (59.0%),urban students (65.3%) higher than suburban students (62.5%)( χ 2=312.6, 23.6, P <0.01). The prevalence of severe poor vision was 28.5%.With the increase of grade, the detection rate of poor vision and severe poor vision increased( χ 2 trend =278.7, 775.4, P <0.01). Totally 13.2% of pupil did not have a visual examination in the past year. The rate of wearing glasses was 27.0% for students with poor eyesight and 3.2% for students with poor monocular eyesight. Totally 46.8% of the students wearing glasses received mydriatic optometry before wearing glasses.@*Conclusion@#The problem of poor vision among students of grade 4-6 in Henan is prominent, so it is necessary to strengthen eyesight monitoring and eye health education.