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China Axial Length Study

NCT05770661 · Status: RECRUITING · Type: OBSERVATIONAL · Enrollment: 30000

Last updated 2025-12-18

No results posted yet for this study

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

  • Axial Length
  • Myopia
  • Child Development

Sponsors & Collaborators

  • Tongji Hospital

    collaborator OTHER

  • Sichuan Provincial People's Hospital

    collaborator OTHER

  • Shandong University of Traditional Chinese Medicine

    collaborator OTHER

  • People's Hospital of Ningxia Hui Autonomous Region

    collaborator OTHER

  • First Affiliated Hospital of Kunming Medical University

    collaborator OTHER

  • The First Affiliated Hospital of Guangxi Traditional Chinese Medical University

    collaborator UNKNOWN

  • Affiliated Hospital of Inner Mongolia Minzu University

    collaborator UNKNOWN

  • Xinjiang Hospital of Traditional Chinese Medicine

    collaborator UNKNOWN

  • Shanghai Eye Disease Prevention and Treatment Center

    lead OTHER

Eligibility

Min Age
3 Years
Max Age
18 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2023-03-10
Primary Completion
2026-12-31
Completion
2026-12-31

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05770661 on ClinicalTrials.gov