90
Participants
Start Date
July 31, 2014
Primary Completion Date
September 30, 2017
Study Completion Date
September 30, 2017
ranibizumab
intravitreal injection of 0.5 mg ranibizumab before vitrectomy
sham
sham intravitreal injection before vitrectomy
pars plana vitrectomy
surgical procedure to remove the intravitreal hemorrhage and fibrosis membrane, and re-attach the retina, and perform endo laser photocoagulation on retina.
Zhongshan Ophthalmic Center, Guangzhou
Sun Yat-sen University
OTHER