06. Wu P-C, Tsai C-L, Wu H-L, Yang Y-H, Kuo H-K. Outdoor activity during class recess reduces myopia onset and progression in schoolchildren. Ophthalmology. 2013;120:1080-1085.

06. Wu P-C, Tsai C-L, Wu H-L, Yang Y-H, Kuo H-K. Outdoor activity during class recess reduces myopia onset and progression in schoolchildren. Ophthalmology. 2013;120:1080-1085.