50
Participants
Start Date
June 13, 2019
Primary Completion Date
December 1, 2022
Study Completion Date
January 1, 2023
3+PRN
intravitreal injection of Conbercept 0.5mg every month repeated for 3 months,
6+PRN
intravitreal injection of Conbercept 0.5mg every month repeated for 6 months
Zhongshan Ophthalmic Center, Guangzhou
Zhongshan Ophthalmic Center, Sun Yat-sen University
OTHER