Incidence of and Factors Associated With Myopia and High Myopia in Chinese Children, Based on Refraction Without Cycloplegia.

ABSTRACT:

Importance

Myopia has reached epidemic levels among children in regions of East and Southeast Asia. High myopia is associated with myopic macular degeneration, glaucoma, and retinal detachment.

Objective

To determine the incidence of myopia and high myopia based on refraction without cycloplegia among children in primary and junior high schools in China.

Design, setting, and participants

This observational cohort study was completed in Guangzhou, China. It consisted of a cohort from 19 primary schools, who were followed up from 2010 to 2015, and a cohort from 22 junior high schools, who were followed up from 2010 to 2012. All schools were randomly chosen at rates proportional to the number of schools in each of the city's 11 districts. Students with or without myopia

SUBMITTER: Wang SK 

PROVIDER: S-EPMC6142978 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature