Objective: To study the effectiveness and safety of low-intensity single wavelength red light in controlling high myopia in children and adolescents. Methods: Subject population: Children aged 3-16 years who have high myopia. Sample size: 190 subjects were planned to be enrolled and assigned to the test or control group in a 1:1 ratio.
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Axial length changes
Timeframe: 30± 14 days, 90± 14 days, 180± 14 days, 270± 14 days, and 365± 14 days