Poor visual acuity and contrast sensitivity at baseline were linked to a higher risk of developing dementia in older adults, a new study found.
Poor vision and contrast sensitivity at baseline increase the likelihood of incident dementia in older adults ; a decline in contrast sensitivity over time also correlates with the risk of developing dementia.Researchers conducted a longitudinal study to analyze the association of visual function with the risk for dementia in 2159 men and women included from the
All participants were free from dementia at baseline and underwent visual assessment while wearing their usual glasses or contact lenses. Distance and near visual acuity were measured as the log minimum angle of resolution units where higher values indicated worse visual acuity; contrast sensitivity was measured as the log contrast sensitivity units where lower values represented worse outcomes.
Dementia status was determined by a medical diagnosis, a dementia score of 2 or more, or poor performance on cognitive testing."Visual function, especially CS, might be a risk factor for developing dementia," the authors wrote."Early vision screening may help identify adults at higher risk of dementia, allowing for timely interventions.
Dementia Retinal Disease Visual Impairment Vision Impairment Impairment Visual Acuity Geriatrics Elder Care Geriatric Medicine Older Adults Seniors Senior Citizens Elderly Vision Screening Eye Examination
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