Prevalence of myopia and associated risk factors among key schools in Xi'an, China.

ABSTRACT:

Background

The aim of this study is to investigate the prevalence of myopia and high myopia and the associated risk factors in key schools in Xi'an, China.

Methods

This cross-sectional study started in September 2021 and was conducted for one month. A total of 11,011 students from 10 key primary schools, five key junior high schools and five key high schools in Xi'an were randomly selected to undergo visual acuity measurement and non-cycloplegic autorefraction. The questionnaire was completed by the students and their parents together.

Results

The prevalence of myopia and high myopia in key schools were 75.7% and 9.7%, respectively. The prevalence of myopia and high myopia rose significantly as grade or age increased (all P < 0.001), and the prevalence of myopia and h

SUBMITTER: Zhao X 

PROVIDER: S-EPMC9801531 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature