About the Authors

Huan Wang

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Software, Supervision, Visualization, Writing – original draft, Writing – review & editing

Affiliation Stanford Center on China’s Economy and Institutions, Stanford University, California, Stanford, United States of America

Brandon Barket

Roles Writing – original draft

Affiliation Stanford Center on China’s Economy and Institutions, Stanford University, California, Stanford, United States of America

Sharon Du

Roles Writing – original draft, Writing – review & editing

Affiliation Stanford Center on China’s Economy and Institutions, Stanford University, California, Stanford, United States of America

Dimitris Friesen

Roles Writing – original draft, Writing – review & editing

Affiliation Stanford Center on China’s Economy and Institutions, Stanford University, California, Stanford, United States of America

Ezra Kohrman

Roles Writing – original draft

Affiliation Stanford Center on China’s Economy and Institutions, Stanford University, California, Stanford, United States of America

Esther Tok

Roles Writing – original draft

Affiliation Stanford Center on China’s Economy and Institutions, Stanford University, California, Stanford, United States of America

Baixiang Xiao

Roles Project administration, Resources

Affiliations Affiliated Eye Hospital of Nanchang University, Nanchang, China, State Key Laboratory of Ophthalmology and Division of Preventive Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China

Wenyong Huang

Roles Resources

Affiliations Affiliated Eye Hospital of Nanchang University, Nanchang, China, State Key Laboratory of Ophthalmology and Division of Preventive Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China

Ving Fai Chan

Roles Visualization, Writing – review & editing

Affiliation School of Medicine, Dentistry and Biomedical Sciences, Queen’s University Belfast, Belfast, Northern Ireland, United Kingdom

Graeme MacKenzie

Roles Visualization, Writing – review & editing

Affiliation Clearly Initiatives, London, England, United Kingdom

Nathan Congdon

Roles Conceptualization, Methodology, Project administration, Resources, Supervision, Visualization, Writing – review & editing

ncongdon1@gmail.com

Affiliations State Key Laboratory of Ophthalmology and Division of Preventive Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China, School of Medicine, Dentistry and Biomedical Sciences, Queen’s University Belfast, Belfast, Northern Ireland, United Kingdom, Orbis International, New York, NY, United States of America

Competing Interests

I have read the journal’s policy and the authors of this manuscript have the following competing interests: Prof Congdon declares that he works as Director of Research for Orbis International, a non-governmental organization supporting delivery of refractive services for children through partners in China.