1. From the Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Sciences Key Lab, Beijing, China; the
2. From the Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Sciences Key Lab, Beijing, China; the2Handan Eye Hospital, Hebei Province, China;
3. Wilmer Eye Institute, Johns Hopkins University, Baltimore, Maryland; the4Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland; the
4. Handan Eye Hospital, Hebei Province, China;
5. Centre for Eye Research Australia, University of Melbourne, Melbourne, Australia; the6Centre for Vision Research, University of Sydney, Sydney, Australia; the
6. Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China; the
7. Centre for Eye Research Australia, University of Melbourne, Melbourne, Australia; the8Singapore Eye Research Institute, Singapore National Eye Centre, Singapore; and the9Department of Ophthalmology, Yong Loo Lin School of Medicine, National University of