21
Participants
Start Date
January 1, 2018
Primary Completion Date
April 30, 2022
Study Completion Date
April 30, 2022
CDU and CT-DCG or CT examination
patients with space occupying lesions in the lacrimal sac area completed CDU and CT-DCG or CT examination before surgery
Eye Hospital and School of Ophthalmology and Optometry,Wenzhou Medical University, Wenzhou
Wenzhou Medical University
OTHER