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Contrast sensitivity is associated with frailty.

Nurul Najieha Amir1, Shahrul Bahyah Kamaruzzaman2, Irina Effendi-Tenang1

  • 1Department of Ophthalmology, University of Malaya Eye Research Centre, University of Malaya, 59100, Kuala Lumpur, Malaysia.

European Geriatric Medicine
|January 24, 2021
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Summary
This summary is machine-generated.

Poor contrast sensitivity, a key aspect of visual function, is significantly linked to frailty in older adults. Early assessment of contrast sensitivity can help identify individuals at risk for frailty.

Keywords:
AgingFrailtyMELoRPoor contrast sensitivityVision impairment

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Area of Science:

  • Gerontology
  • Ophthalmology
  • Public Health

Background:

  • Frailty is a growing concern in aging populations, impacting health outcomes.
  • Visual function, including acuity and contrast sensitivity, may play a role in frailty.
  • Understanding these associations can inform interventions for healthy aging.

Purpose of the Study:

  • To investigate the relationship between visual function (visual acuity and contrast sensitivity) and frailty.
  • To analyze data from the Malaysian Elders Longitudinal Research (MELoR) cohort.
  • To assess older adults in an urban setting.

Main Methods:

  • Cross-sectional study of 1332 participants aged 55 years and older.
  • Assessed visual acuity (Snellen) and contrast sensitivity (Pelli Robson).
  • Defined frailty using Fried's phenotype criteria; analyzed associations using Odds Ratios (OR) and 95% Confidence Intervals (CI).

Main Results:

  • 14% had impaired vision and 21.2% had poor contrast sensitivity.
  • 5.8% of participants were classified as frail.
  • Poor contrast sensitivity was significantly associated with frailty (OR: 5.34, p=0.004), while visual acuity was not.

Conclusions:

  • Poor contrast sensitivity is a significant predictor of frailty in older adults.
  • Visual acuity alone did not show a significant association with frailty.
  • Incorporating contrast sensitivity assessment is crucial for identifying frailty risk.