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Visual acuity in an Australian aboriginal population

N P Stocks1, J E Hiller, H Newland

  • 1Department of Social Medicine, University of Bristol, United Kingdom.

Australian and New Zealand Journal of Ophthalmology
|May 1, 1997
PubMed
Summary

Rural Aboriginal Australians show reduced visual disability, yet elderly eye care needs improvement. This study assessed visual impairment trends in a specific Aboriginal community over time.

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Area of Science:

  • Ophthalmology
  • Public Health
  • Indigenous Health

Background:

  • Aboriginal Australians experience high rates of blindness, disproportionate to Australia's developed status.
  • Despite 15 years of targeted eye health programs in Central Australia, the impact on visual disability requires evaluation.
  • This study focuses on a specific traditional Aboriginal Australian group to assess changes in visual impairment.

Purpose of the Study:

  • To evaluate the improvement in visual disability among a traditional group of Aboriginal Australians.
  • To compare current eye health survey data with historical national survey results.
  • To identify trends in blindness and poor vision within the Anangu Pitjantjatjara community.

Main Methods:

  • Cross-sectional population-based prevalence surveys were conducted in 1990 for the Anangu Pitjantjatjara.

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  • Data on blindness and poor vision were compared with a 1976 national survey.
  • Prevalence rates were adjusted for population size to ensure comparability.

    • Main Results:

    • Young rural Aboriginal Australians exhibit good visual acuity.
    • Among those aged 60 and over, 19.6% experienced low vision and 10.4% experienced blindness (WHO definitions).
    • A significant decline in 'poor vision' was observed (OR = 2.86), but 'blindness' prevalence remained unchanged. Women showed higher rates of blindness and low vision (OR = 1.93).

    Conclusions:

    • A reduction in visual disability prevalence was noted in rural Aboriginal Australians.
    • Despite progress, enhanced eye care provision is crucial for the elderly Aboriginal population.
    • Further targeted interventions may be necessary to address persistent blindness rates.