Self correction of refractive error among young people in rural China: results of cross sectional investigation
Mingzhi Zhang, Riping Zhang, Mingguang He, Wanling Liang, Xiaofeng Li, Lingbing She, Yunli Yang, Graeme MacKenzie, Joshua D Silver, Leon Ellwein, Bruce Moore, Nathan Congdon
BMJ | B M J PUBLISHING GROUP | Published : 2011
This study was funded by grant to the Nuffield Laboratory of Ophthalmology (University of Oxford) from the Partnership for Child Development, (Imperial College of Science, Technology and Medicine) under the World Bank's FY2009 Development Grant Facility (DGF) Window 1. The adjustable spectacles used in this study were provided free of charge by Adaptive Eyecare. The study sponsor played no role in study design and the collection, analysis, and interpretation of data and the writing of the article and the decision to submit it for publication.