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Related Experiment Videos

Night driving self-restriction: vision function and gender differences.

John A Brabyn1, Marilyn E Schneck, Lori A Lott

  • 1Smith-Kettlewell Eye Research Institute, San Francisco, California 94115, USA. brabyn@ski.org

Optometry and Vision Science : Official Publication of the American Academy of Optometry
|August 30, 2005
PubMed
Summary

Men over 85 are more likely to drive at night, even with poor vision. Vision significantly impacts driving decisions for both genders, with specific visual factors influencing night driving self-restriction differently in men and women.

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Area of Science:

  • Ophthalmology
  • Gerontology
  • Transportation Safety

Background:

  • Night driving poses challenges for older adults due to age-related vision changes.
  • Understanding factors influencing driving cessation or self-restriction is crucial for public health and safety.
  • Previous research indicates vision impairment affects driving ability, but gender-specific differences in night driving self-restriction are less understood.

Purpose of the Study:

  • To investigate gender disparities in the relationship between self-restricted night driving and visual function among elderly individuals.
  • To identify specific vision measures associated with night driving self-restriction in older men and women.

Main Methods:

  • A cross-sectional study involving 900 older adults (mean age 76) in Marin County, California.

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  • Data collected via questionnaire on night driving self-restriction, demographics, health, cognition, and depression.
  • Vision function assessed using various measures including contrast sensitivity, acuity in glare, and glare recovery.

    • Main Results:

    • A higher percentage of men (91%) than women (77%) were current drivers.
    • Women reported night driving self-restriction twice as often as men, despite generally better vision function.
    • Specific visual deficits like contrast sensitivity (men) and low-contrast acuity in glare (women) were strongly associated with driving self-restriction.

    Conclusions:

    • Vision significantly influences driving self-restriction decisions in both genders, but with different predictive factors.
    • Older men, particularly those over 85, are more likely to drive at night despite poorer vision compared to women.
    • Men's driving cessation linked to contrast sensitivity and depression; women's linked to low-contrast acuity in glare and age.