An empirical study on the effect of outdoor illumination and exercise intervention on Children's vision.

Objective: To explore the relationship between outdoor lighting and sports and the development of myopia, and to analyze the effects of outdoor lighting and exercise on the diopter of children with normal vision and myopia, so as to provide guidance for the prevention and treatment of myopia in children and adolescents in the future.

Methods: A total of 201 children were divided into two groups according to myopia or not. Each group was randomly divided into 4 groups: outdoor exercise group, outdoor control group, indoor exercise group and indoor control group.

Relationships between athletic ability and academic performance in primary school students: A 3-year follow-up study.

Background: The aim of this study was to examine whether academic performance is associated with students' athletic ability in primary school.

Methods: A 3-year follow-up study was conducted among 1,136 Chinese students. Sit-up and jump rope testers were used to measure 1-min sit-ups and 1-min jump ropes, respectively.