Factors Underlying Different Myopia Prevalence between Middle- and Low-income Provinces in China

Ophthalmology. 2015 May;122(5):1060-2. doi: 10.1016/j.ophtha.2014.12.019. Epub 2015 Jan 28.

¹ State Key Laboratory of Ophthalmology and Division of Preventive Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China.
² Department of Agriculture and Resource Economics, University of California Davis, Davis, California.
³ Center for Chinese Agricultural Policy, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China.
⁴ School of Agricultural Economics and Rural Development, Renmin University of China, Beijing, China.
⁵ School of Economic Management, Xibei University, Xi'an, China.
⁶ Freeman Spogli Institute of International Studies, Stanford University, Stanford, California.
⁷ State Key Laboratory of Ophthalmology and Division of Preventive Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China; ORBIS International, New York, New York. Electronic address: ncongdon1@gmail.com.

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