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China Axial Length Study
Sponsor: Shanghai Eye Disease Prevention and Treatment Center
Summary
The primary objective of this multi-center, observational study is to establish the reference ranges of axial length in Chinese children and adolescents. 30,000 children aged 3-18 years were examined with cycloplegia to collect their ocular parameters and were all followed up for three years with annual visits.
Official title: Axial Length Study of Children and Adolescents in Ten Provinces of China
Key Details
Gender
All
Age Range
3 Years - 18 Years
Study Type
OBSERVATIONAL
Enrollment
30000
Start Date
2023-03-10
Completion Date
2026-12-31
Last Updated
2025-12-18
Healthy Volunteers
Yes
Conditions
Locations (2)
Shanghai Eye Disease Prevention & Treatment Center
Shanghai, Shanghai Municipality, China
Shanghai Eye Disease Prevention and Treatment Center
Shanghai, China