Environmental Factors and Myopia Prevalence Among Uyghur... | NCT07119723

Studies
Environmental Factors and Myopia Prevalence Among Uyghur Students in Remote China

NCT07119723

Sponsor

Tianjin Medical University Eye Hospital

Status

Enrolling by invitation

Last Update Posted

Aug 13, 2025Actual

Enrollment

100,000Estimated

Phase

Not provided

Conditions

Myopia
Environment

Interventions

Not provided

Countries

China

Protocol Section

Identification Module Status Module Sponsor/Collaborators Module Oversight Module Description Module Conditions Module Design Module Arms/Interventions Module Outcomes Module Eligibility Module Contacts/Locations Module References Module IPD Sharing Statement Module

Results Section

Participant Flow Module Baseline Characteristics Module Outcome Measures Module Adverse Events Module More Info Module

Annotation Section

Annotation Module

Document Section

Large Document Module

Derived Section

Miscellaneous Info Module Condition Browse Module Intervention Browse Module

Protocol Section

Identification Module

NCT ID

Results Section

No data available

No data is available for this block.

Annotation Section

No data available

No data is available for this block.

Document Section

No data available

No data is available for this block.

Derived Section

Miscellaneous Info Module

Version Holder

Status Module

Record Verification Date

Aug 2025

Overall Recruitment Status or Expanded Access Status

Enrolling by invitation

Last Known Status

Not provided

Delayed Posting

Not provided

Why Stopped

Not provided

Expanded Access Info

Start Date

Jun 1, 2020Actual

Primary Completion Date

Dec 30, 2026Estimated

Completion Date

Dec 30, 2026Estimated

First Submitted Date

Jul 30, 2025

First Submission Date that Met QC Criteria

Aug 5, 2025

First Posted Date

Aug 13, 2025Actual

Results Waived

Not provided

Results First Submitted Date

Not provided

Results First Submitted that Met QC Criteria

Not provided

Results First Posted Date

Not provided

Certification/Extension (aka Delayed Results) First Submitted Date

Not provided

Certification/Extension First Submitted that Passed QC Review

Not provided

Certification/Extension First Posted Date

Not provided

Last Update Submitted Date

Aug 5, 2025

Last Update Posted Date

Aug 13, 2025Actual

Sponsor/Collaborators Module

Responsible Party, by Official Title

Chuanzhen Zheng, Principal investigator, Tianjin Medical University Eye HospitalPrincipal Investigator

Lead Sponsor

Tianjin Medical University Eye HospitalOTHER

Collaborators

Not provided

Oversight Module

Has Data Monitoring Committee (DMC)

Is FDA Regulated Drug

Is FDA Regulated Device

Is Unapproved Device

Not provided

Pediatric Postmarket Surveillance of a Device Product

Not provided

Product Exported from US

FDAAA801 Violation

Not provided

Description Module

Brief Summary

Ophthalmologic screening performs annually. Main information collected: gender, age, race, school, visual acuity, autorefractive results.

Detailed Description

Not provided

Design Module

Study Type

Observational

Number of References to an Expanded Access Study

Not provided

Expanded Access Types

Not provided

Patient Registry

Yes

Target Follow-Up Duration

4 Years

Phases

Not provided

Interventional Study Design

Allocation

Not provided

Intervention Model

Biospecimen

No data available

No data is available for this block.

Enrollment

100,000Estimated

Outcomes Module

Primary Outcomes

Measure	Description	Time Frame
spherical equivalent refraction		From January 2020 to December 2026

Secondary Outcomes

Not provided

Other Outcomes

Not provided

Eligibility Module

Eligibility Criteria

Inclusion Criteria:

6 -15 years old

Exclusion Criteria:

Students with strabismus, amblyopia, or other ocular diseases.

Accepts Healthy Volunteers

Yes

Sex

All

Sex/Gender Based

Not provided

Sex/Gender Description

Not provided

Minimum Age

6 Years

Maximum Age

15 Years

Standard Ages

Child

Study Population

Students aged 6-15 years without strabismus, amblyopia, or other ocular diseases.

Sampling Method

Probability Sample

Contacts/Locations Module

Central Contacts

Not provided

Overall Officials

Not provided

Locations

Facility	Status	City	State	ZIP	Country	Contacts
Tianjin medical university eye hospital		Tianjin			China

ID	Term
D012030	Refractive Errors
D005128	Eye Diseases