1. State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
2. Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, University of Melbourne, East Melbourne, Victoria, Australia 3Department of Ophthalmology, University of Melbourne, Parkville, Victoria, Australia
3. Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, University of Melbourne, East Melbourne, Victoria, Australia 4The Fred Hollows Foundation, Carlton, Victoria, Australia
4. Help Me See, New York, New York, United States 6Instituto Mexicano de Oftalmologia, Santiago de Querétaro, Queretaro, Mexico
5. Melbourne School of Population and Global Health, University of Melbourne, Parkville, Victoria, Australia
6. Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, University of Melbourne, East Melbourne, Victoria, Australia 3Department of Ophthalmology, University of Melbourne, Parkville, Victoria, Australia 8Department of Ophthalmology, University of Bonn, Bonn, Germany
7. International Agency for the Prevention of Blindness, Western Pacific Region, Singapore Eye Research Institute, Singapore
8. State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China 2Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, University of Melbourne, East Melbourne, Victoria, Australia 3Department of Ophthalmology, University of Melbourne, Parkville, Victoria, Australia