44
Participants
Start Date
January 31, 2012
Primary Completion Date
February 28, 2014
Study Completion Date
June 30, 2014
vitrectomy surgery
"pars plana vitrectomy +internal limiting membrane peeling done immediately after the identification of the macular hole"
Eye Hospital of Hebei Province, Xingtai
Weifang Eye Hospital, Weifang
The Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou
Wenzhou Medical College, Wenzhou
China - Japan Friendship Hospital, Beijing
Peking University Third Hospital, Beijing
Southwest Eye hospital of Third Military Medical University, Chongqing
Shanghai Ninth People's Hospital Affiliated Shanghai JiaoTong University school of Medicine, Shanghai
Peking University Third Hospital
OTHER