Authors: Zeng Guangchuan, Li Pingping, Ye Yangjun DOI: 10.3760/cma.j.issn.2095-0160.2017.10.014 Published 2017-10-10 Cite as Chin J Exp Ophthalmol, 2017,35(10): 920-923. Abstract [Download PDF] [Read Full Text] Background Pars plana vitrectomy (PPV) is the main therapy for advanced stage of proliferative diabetic retinopathy (PDR). Intravitreal injection […]