4,000
Participants
Start Date
May 1, 2020
Primary Completion Date
December 31, 2024
Study Completion Date
December 31, 2024
Home training
Letter Chart Accomodative Rock Training for 2 minutes each time
School training
Letter Chart Accomodative Rock Training for 2 minutes each time
Tiajin Eye Hospital, Tianjin
Tianjin Eye Hospital
OTHER