350
Participants
Start Date
August 15, 2017
Primary Completion Date
July 19, 2019
Study Completion Date
September 19, 2019
Observation study only, no specific intervention
Observation study only, no specific intervention
Zhongshan Ophthalmic Center, Guangzhou
Collaborators (1)
Essilor International
INDUSTRY
Sun Yat-sen University
OTHER