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From visual function deficiency to handicap: measuring visual handicap in Mali.

Jean François Schémann1, Alain Leplège, Tahirou Keita

  • 1IOTA (Institute of African Tropical Ophthalmology), Bamako, Mali. schemann@iotaccge.org

Ophthalmic Epidemiology
|February 1, 2002
PubMed
Summary

This study validated vision and quality of life questionnaires in Mali. Blindness significantly reduces quality of life, particularly for women, highlighting the need for accessible eye care interventions.

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Area of Science:

  • Ophthalmology
  • Public Health
  • Health Services Research

Background:

  • Blindness is a significant public health issue in developing nations, often preventable with basic interventions.
  • Access to and socio-cultural factors limit the utilization of available quality healthcare services.
  • Measuring self-perceived health is crucial for understanding the impact of visual impairment.

Purpose of the Study:

  • To translate, culturally adapt, and validate instruments for measuring perceived vision and quality of life in Mali.
  • To examine the relationship between perceived vision, quality of life, and visual deficiencies, considering gender differences.

Main Methods:

  • Aravind questionnaire was translated and culturally adapted for the Malian context.
  • Validated questionnaires included perceived vision (5 subscales) and quality of life (4 subscales).

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  • Administered to 203 visually impaired adults (>40 years) in rural Mali, assessing validity and reliability.

    • Main Results:

    • Questionnaires demonstrated good acceptability with minimal missing data (1%).
    • Convergent and discriminant validity were adequate for most subscales.
    • Reliability was good for global scores, with Cronbach alpha coefficients indicating consistency.

    Conclusions:

    • Results support the International Classification of Disease definition of blindness, showing a sharp decline in quality of life.
    • Blindness disproportionately impacts women's quality of life more than men's.
    • Social support availability may influence the gender disparity in quality of life outcomes for visually impaired individuals.