Myopia Clinical Trial
Official title:
Intervention Program for Vision Care in Lower Grade Schoolchildren
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.
n/a
Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention
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