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Visual changes in daily life throughout adulthood.

W Kosnik1, L Winslow, D Kline

  • 1Department of Psychology, Northwestern University, Chicago, IL.

Journal of Gerontology
|May 1, 1988
PubMed
Summary
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As people age, common visual abilities like processing speed, light sensitivity, and dynamic vision decline. These age-related vision changes affect everyday tasks, with varying rates across different visual functions.

Area of Science:

  • Ophthalmology
  • Gerontology
  • Human Physiology

Background:

  • Everyday visual functioning is crucial for independence and quality of life.
  • Age-related changes in vision can impact daily activities and safety.
  • Limited research quantifies the prevalence and specific dimensions of age-related visual decline in healthy adults.

Purpose of the Study:

  • To investigate age-related changes in everyday visual problems among healthy adults.
  • To identify specific visual dimensions that decline with age.
  • To quantify the increase in reported visual difficulties across the adult lifespan.

Main Methods:

  • Two surveys were administered to healthy adults aged 18 to 100.
  • Participants were screened to exclude major visual impairments.

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  • Respondents reported the frequency of difficulties with various visual tasks.

    • Main Results:

    • Five dimensions of vision significantly declined with age: visual processing speed, light sensitivity, dynamic vision, near vision, and visual search.
    • The prevalence of reported decline in these visual dimensions increased two- to sixfold from younger to older adulthood.
    • Different visual tasks showed varying rates of age-related decline.

    Conclusions:

    • Healthy adults experience a decline in multiple visual functions as they age.
    • Age impacts various visual aspects at different rates, affecting everyday tasks.
    • Understanding these declines is important for maintaining visual health and function throughout adulthood.