Myopia, Outdoor Activity, Policy of Recess Outside Classroom
Conditions
Keywords
Myopia, Outdoor activity, Recess outside classroom
Brief summary
The purpose of this study is making use of school policy- recess outside classroom (ROC7-11) for increasing the time spent outdoor during recess and encouraging children spent time outdoor up to 11 hours in each week to investigate the vision change, myopia onset and progression in these schoolchildren.
Interventions
BEHAVIORALOutdoor activity in recess time
Outdoor activity in recess time
Sponsors
Ministry of Health and Welfare, Taiwan
Chang Gung Memorial Hospital
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
6 Years to 7 Years
Healthy volunteers
No
Inclusion criteria
All the students in Grade 1
Exclusion criteria
No
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Cycloplegic refraction | 1 year |
Secondary
| Measure | Time frame |
|---|---|
| Axial length | 1 year |
Other
| Measure | Time frame | Description |
|---|---|---|
| data from light meter recorder | 1 week | — |
| questionnaire | 1 week | Children and their parents report how many hours per week in near work (such as reading, computer game, learning and practicing violin or piano) and outdoor activities |
Countries
Taiwan
Outcome results
None listed