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Cent Afr J Med ; 44(6): 152-4, 1998 Jun.
Article in English | MEDLINE | ID: mdl-9810396

ABSTRACT

OBJECTIVE: To determine the reliability of village community development workers in screening for blindness in the community and to suggest an extraordinary role for these cadres. DESIGN: Diagnostic study. SETTING: Chivi District, Zimbabwe. SUBJECTS: A simple random sample of 148 out of 886 people selected from notification forms. MAIN OUTCOME MEASURE: Sensitivity, specificity and predictive values. RESULTS: The screening method employed was found to have a sensitivity of 93% (95% CI), specificity of 32% (95% CI) and a predictive value for a positive result of 75%. CONCLUSION: The use of village community development workers to screen for blindness in the community has proved to be a reliable alternative when there is shortage of both ophthalmic trained personnel and funds.


Subject(s)
Blindness/diagnosis , Clinical Competence/standards , Community Health Workers/education , Community Health Workers/organization & administration , Job Description , Vision Screening/standards , Humans , Prevalence , Reproducibility of Results , Sensitivity and Specificity , Zimbabwe
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