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3 Φεβ 2022 · A cataract is the clouding of the lens in the eye, which results in blurry vision, and is the leading cause of blindness worldwide . A meta-analysis of observational studies found that having cataracts is associated with a 17% increased risk for dementia .
15 Απρ 2024 · Research is ongoing to determine possible underlying causes that may direct disease proteins to target the visual picture in these cases. Often, a person will see their eye doctor first to complain of problems with reading or other activities—thinking that their glasses aren’t working any longer.
This means problems with sight that haven’t been corrected by wearing glasses, lenses or having surgery or treatment. In particular, visual impairment caused by cataracts and diabetic retinopathy is associated with an increased risk of dementia.
11 Αυγ 2018 · Our study confirms and extends findings from other countries, demonstrating cross-sectional associations between moderate and poor self-rated vision and dementia in England in all participants aged 50 and older and longitudinally over an 11-year period in those aged 50 to 69.
Our systematic review indicates that a majority of studies examining the vision–cognition relationship report that VI is associated with more cognitive decline, cognitive impairment or dementia among older adults.
16 Αυγ 2024 · In dementia, vision impairment may include a range of eyesight challenges that could affect the appearance of the eyes. A person’s vision sharpness and eye appearance will depend on their...
Treating or correcting vision loss may be beneficial at reducing dementia risk. Taking cataracts as an example, one study showed that people who had cataracts removed were 30% less likely to go on to develop dementia than those who did not.
