Trials / Recruiting
RecruitingNCT05770661
China Axial Length Study
Axial Length Study of Children and Adolescents in Ten Provinces of China
- Status
- Recruiting
- Phase
- —
- Study type
- Observational
- Enrollment
- 30,000 (estimated)
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center · Academic / Other
- Sex
- All
- Age
- 3 Years – 18 Years
- Healthy volunteers
- Accepted
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.
Conditions
Timeline
- Start date
- 2023-03-10
- Primary completion
- 2026-12-31
- Completion
- 2026-12-31
- First posted
- 2023-03-15
- Last updated
- 2025-12-18
Locations
2 sites across 1 country: China
Source: ClinicalTrials.gov record NCT05770661. Inclusion in this directory is not an endorsement.