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[Age-related changes in the normal visual field using colored targets].

S Makino1, C Otaki, T Nakayama

  • 1Eye Clinic, Okayama Red Cross Hospital, Japan.

Nippon Ganka Gakkai Zasshi
|October 1, 1992
PubMed
Summary
This summary is machine-generated.

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Visual field sensitivity remains stable until age 40, then declines linearly with aging, particularly for blue targets. This age-related decline impacts color vision and peripheral retinal sensitivity.

Area of Science:

  • Ophthalmology
  • Gerontology
  • Visual Neuroscience

Context:

  • Aging significantly impacts sensory systems, including vision.
  • Understanding age-related changes in visual field sensitivity is crucial for early detection of visual impairments.
  • Normal visual field sensitivity and color visual field sensitivity are key indicators of ocular health.

Purpose:

  • To evaluate the influence of aging on normal visual field sensitivity and color visual field sensitivity.
  • To determine the age at which visual field sensitivity begins to decline.
  • To assess the differential impact of aging on various color targets.

Summary:

  • A study of 259 normal subjects (ages 10-79) using the Humphrey Field Analyzer revealed visual field sensitivity remains constant until age 40.

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  • After age 40, sensitivity decreased linearly with aging, most notably with blue targets.
  • Sensitivity decreased towards the peripheral retina for white, red, and green targets, but not for blue targets near the fovea. White targets showed the highest sensitivity, followed by red, blue, and green.

    • Impact:

    • Provides normative data on age-related visual field changes.
    • Highlights the vulnerability of blue color perception to aging.
    • Informs the development of age-specific visual screening protocols and aids in understanding the progression of visual field defects.