Authors：Meng Bo, Li Shiming, Kang Mengtian, Sun Yunyun, Wang Ningli, Zhan Siyan DOI: 10.3760/cma.j.issn.2095-0160.2016.12.016 Published 2016-12-10 Cite as Chin J Exp Ophthalmol, 2016,34(12): 1126-1130. Abstract [Download PDF] [Read Full Text] Background Preferred practice pattern (PPP) is an evidence-based documents which can be used for reference to standardize medical practice by ophthalmologists.So far it […]