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ABSTRACT
Purpose
The integration of primary eyecare into existing primary healthcare systems requires simple yet effective tools that do not overburden the grass-root level worker. The objective of this study was to test the accuracy of a questionnaire-based tool administered by trained community-based rehabilitation volunteers (CBRVs) in identifying persons with visual disability, proportions accessing referral pathway and barriers to uptake of eyecare services.
Methods
CBRVs working in the urban-slum service area of a teaching hospital were trained in administering a questionnaire-based tool derived from the World Health Organization (WHO) “Training in the community for people with disabilities” to a responsible adult member of the household. Post-training, they screened and referred adults with perceived visual problems. This tool was tested against two reference standards: (i) history of visual disability elicited by ophthalmologist; (ii) pre-set visual acuity and diagnosis criteria.
Results
Ten CBRVs screened 950 individuals of whom 805 (84.7%) were examined by an optometrist and ophthalmologist. Sensitivity and specificity of this method were 75% (95% CI 72–78%), 95.8% (95% CI 94–98%) respectively, using history and 60.2% (95% CI 57–63%), 91.8% (95% CI 90–94%) using clinical criteria as reference standard. Referral pathway was used by 91/221 (41.2%) referred individuals. The commonest barriers to accessing eye care were ‘did not feel the need’ (32.2%) and ‘busy with work/household responsibilities’ (30.2%).
Conclusions
This questionnaire-based tool administered by grass-root level health workers to a responsible adult member of the family may be a promising screening method for identification and appropriate referral of persons with visual disability in the community.