Discussion
myopia
MYOPIA
To our knowledge, this was the first trial to date to investigate the efficacy of the RLRL intervention in myopia prevention. In this 12-month randomized clinical trial, the RLRL intervention achieved an absolute difference of 20.4% in incidence of myopia, representing a 33.4% relative reduction in incident myopia. For children without treatment interruption due to the COVID-19 pandemic, the absolute difference increased to 33.2%, representing a 54.1% relative reduction in incident myopia over 12 months.