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China Axial Length Study | Clinical Trials | Clareo Health

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RECRUITINGNCT05770661

China Axial Length Study

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...

Lead sponsor: Shanghai Eye Disease Prevention and Treatment Center•2 locations•View source on ClinicalTrials.gov

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Contacts

Xun Xu, MD

CONTACT

021-53555032 drxuxun@sjtu.edu.cn

Xiangui He, PhD

CONTACT

15000755422 xianhezi@163.com

Sponsors

Lead Sponsor

Shanghai Eye Disease Prevention and Treatment Center

Collaborators

Tongji Hospital
Sichuan Provincial People's Hospital
Shandong University of Traditional Chinese Medicine
People's Hospital of Ningxia Hui Autonomous Region
First Affiliated Hospital of Kunming Medical University
The First Affiliated Hospital of Guangxi Traditional Chinese Medical University
Affiliated Hospital of Inner Mongolia Minzu University
Xinjiang Hospital of Traditional Chinese Medicine

Age

3 - 18 years

Sex

ALL

Healthy Volunteers

Yes

Inclusion Criteria

•Aged 3 to 18 years
•Have been lived in the research areas for at least one year, and will not move to other places in the following two years
•Parents or guardians sign an informed consent form, and children over 6 years old need oral consent to participate

Exclusion Criteria

•Mental diseases, unable to cooperate to complete the eye assessment
•Ophthalmic diseases, inability to cooperate to complete the inspection

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Data from ClinicalTrials.govLast updated on ClinicalTrials.gov: December 18, 2025Terms

Trial snapshot

StatusRECRUITING

Phase—

Enrollment30,000

Start dateMar 2023

Last updatedDec 18, 2025

Condition

Axial Length Myopia Child Development

Locations shown

Shanghai Eye Disease Prevention & Treatment Center

Shanghai, Shanghai Municipality

Shanghai Eye Disease Prevention and Treatment Center

Shanghai

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Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: December 18, 2025Data synced to Clareo: May 10, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

View ClinicalTrials.gov Terms and Conditions