Ophthalmology · 2012 · 33 citations · 25 references
Ophthalmic SurgeryOphthalmologyRural ChinaGlaucomaOptometryMedicineCataract
25
Global data on visual impairment in the year 2002.
Serge Resnikoff, Donatella Pascolini, Daniel Etya’ale et al. · PubMed · 2004 · 4.2K citations · Full text
Causes of Blindness and Visual Impairment in Urban and Rural Areas in Beijing
Liang Xu, Ya Xing Wang, Yibin Li et al. · Ophthalmology · 2006 · 603 citations