Xinxing Eye Cohort Study

NCT07257536 | Not Yet Recruiting

• 1 other identifier: 2025KYPJ117
• Study Type: observational
• Target: 3,000
• Locations: 0 countries
• Sites: N/A

Brief Summary

To establish the baseline levels and monitor the progress of two newly introduced global eye health indicators in Xinxing County, including effective refractive error coverage (eREC) and effective cataract surgery coverage (eCSC). And to assess the prevalence and treatment status of common eye disease in Xinxing County.

Conditions

Refractive Errors; Cataract

Outcome Measures

Primary Outcomes (1)

• Visual acuity

  Test and record uncorrected visual acuity; if the participant wears glasses, measure the best corrected visual acuity with glasses. For participants with poor unaided or corrected visual acuity (\<4.7), perform additional pinhole visual acuity testing.

  through study completion, an average of 1 year

Secondary Outcomes (5)

• Strabismus

  through study completion, an average of 1 year

• Autorefraction

  through study completion, an average of 1 year

• Questionnaire

  through study completion, an average of 1 year

• Fundus examination

  through study completion, an average of 1 year

• Anterior segment examination

  through study completion, an average of 1 year

Eligibility Criteria

• Age: 0 Years - 100 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Child (0-17), Adult (18-64), Older Adult (65+)
• Sampling Method: Probability Sample

Study Population

Primary and secondary school students in Xinxing County and people covered by the national basic public health service, including children aged 0-6, seniors over 65 years old and diabetic patients, etc.

You may qualify if:

• Primary and secondary school students in Xinxing County and people covered by the national basic public health service, including children aged 0-6, seniors over 65 years old and diabetic patients, etc.
• Voluntarily participate in this study and provide signed informed consent

You may not qualify if:

• Unable to cooperate with research-related examinations, such as those with disabilities, communication barriers, or other reasons that prevent examinations
• With serious systemic disease that may affect the examination, or participating in the research examination may endanger one's health
• Other people who the researchers consider unsuitable to participate in this study

Sponsors & Collaborators

• Zhongshan Ophthalmic Center, Sun Yat-sen University: lead

MeSH Terms

Conditions

Refractive Errors; Cataract

Condition Hierarchy (Ancestors)

Eye Diseases; Lens Diseases

Central Study Contacts

Lingyi Liang

CONTACT

+8602087330487; lianglingyi@gzzoc.com

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: PROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: November 18, 2025
• First Posted: December 2, 2025
• Study Start: December 15, 2025
• Primary Completion (Estimated): November 30, 2028
• Study Completion (Estimated): November 30, 2028
• Last Updated: December 2, 2025

Record last verified: 2025-09

Data Sharing

• IPD Sharing: Will not share