Regular vision tests may help predict dementia risk by identifying deterioration in vision that contributes to cognitive decline. A study conducted by Neuroscience Research Australia (NeuRA) found a link between visual acuity loss and increased risk of dementia.
The research, which examined 12-year data, showed that even normal aging can lead to some visual decline, but just like blood pressure checks, regular eye tests are crucial for overall cognitive health. The study highlighted the importance of treating vision problems, such as cataracts, with glasses or other treatments.
Uncorrected vision loss was recently identified as a modifiable risk factor for dementia by The Lancet Commission. Furthermore, social isolation and reduced social contact may also contribute to cognitive decline in people experiencing visual impairment.
To support brain health in older adults, eye tests should be included in clinical assessments, using standardized tools like the Snellen chart. However, addressing access issues for eye care remains a challenge, which must be addressed as research continues to uncover the association between vision and dementia risk.
The study’s findings have significant implications for public health, emphasizing the need for regular vision checks and social support to mitigate cognitive decline associated with visual impairment.
Source: https://anmj.org.au/regular-eye-tests-could-help-identify-risk-of-dementia