16
Participants
Start Date
July 31, 2015
Primary Completion Date
December 31, 2017
Study Completion Date
December 31, 2017
human bone marrow MSC
The arms of active comparator :human bone marrow MSC subconjunctival injection once time. If persistent epithelial defect was noted thereafter, a second MSC injection was performed.
Sun Yat-sen University
OTHER