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Prevalence of Blindness, Visual Impairment in Chao Nan Area, China

NCT04143334 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 3700

Last updated 2019-10-31

No results posted yet for this study

Summary

This study will provide a profile of blindness/visual impairment, avoidable blindness and cataract surgery service in Chaonan, mainland China. We also evaluate the diagnostic accuracy of Rapid Assessment of Avoidable Blindness (RAAB) comparison with conventional survey.

Conditions

  • Blindness
  • Cataract
  • Visual Impairment
  • Refractive Errors

Interventions

DIAGNOSTIC_TEST

Conventional survey

Sponsors & Collaborators

  • Chinese University of Hong Kong

    lead OTHER

Principal Investigators

  • XIUJUAN ZHANG, PhD · Chinese University of Hong Kong

Eligibility

Min Age
50 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2012-04-01
Primary Completion
2015-12-01
Completion
2016-12-01

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Entities

Diseases

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 NCT04143334 on ClinicalTrials.gov