Ignite Creation Date:
2025-12-17 @ 1:43 PM
Ignite Modification Date:
2025-12-23 @ 4:55 PM
Study NCT ID:
NCT05770661
Status:
RECRUITING
Last Update Posted:
2025-12-18
First Post:
2023-03-05
Is Possible Gene Therapy:
False
Has Adverse Events:
False
Brief Title:
China Axial Length Study
Sponsor:
Shanghai Eye Disease Prevention and Treatment Center
Organization:
Study Overview
Official Title:
Axial Length Study of Children and Adolescents in Ten Provinces of China
Status:
RECRUITING
Status Verified Date:
2025-12
Last Known Status:
None
Delayed Posting:
No
If Stopped, Why?:
Not Stopped
Has Expanded Access:
False
If Expanded Access, NCT#:
N/A
Has Expanded Access, NCT# Status:
N/A
Acronym:
CALS
Brief 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.
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.
Detailed Description:
None
Study Oversight
Has Oversight DMC:
True
Is a FDA Regulated Drug?:
False
Is a FDA Regulated Device?:
False
Is an Unapproved Device?:
None
Is a PPSD?:
None
Is a US Export?:
None
Is an FDA AA801 Violation?: