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Comment & Response
February 23, 2016

School-Based Myopia Prevention Effort

Author Affiliations
  • 1School of Public Health, Medical College of Soochow University, Suzhou, China
  • 2Department of Ophthalmology, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
JAMA. 2016;315(8):819. doi:10.1001/jama.2015.17133

To the Editor The school-based myopia prevention trial conducted by Dr He and colleagues1 supports what has been noted in observational studies2 that more time spent outdoors reduces the risk of myopia in children. However, one important issue regarding this finding has not been fully addressed by the authors.