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Visual Impairment and Frailty: Examining an Understudied Relationship
Bonnielin K Swenor1, Moon J Lee1, Jing Tian2
1Wilmer Eye Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland.
Summary
Visual impairment significantly increases the risk of frailty in older adults. Even mild vision loss is linked to higher odds of being frail, highlighting vision as a key health concern.
Area of Science:
- Gerontology
- Ophthalmology
- Public Health
Background:
- Older adults with visual impairments face higher risks of adverse health outcomes.
- Frailty is a significant concern in aging populations, impacting health and independence.
Purpose of the Study:
- To investigate the association between visual impairment and frailty in older adults.
- To determine if visual acuity is a predictor of incident frailty.
Main Methods:
- Utilized data from the National Health and Nutrition Examination Survey (NHANES) and Women's Health and Aging Studies (WHAS III).
- Examined cross-sectional and longitudinal relationships between visual acuity and frailty phenotype criteria.
- Employed propensity score adjustment to control for confounders like age and used logistic regression models.
Main Results:
- Visual impairment was associated with increased odds of prefrailty and frailty in NHANES.
- Mild, moderate, and severe vision impairment correlated with higher odds of frailty in WHAS III.
- Worse visual acuity and moderate/severe impairment predicted incident frailty over three years.
Conclusions:
- Visual impairment is a significant, underrecognized risk factor for frailty in older adults.
- Addressing vision health may be crucial for preventing frailty and maintaining healthy aging.
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