Researchers say preventing the development of vision impairment could help prevent dementia too.
The study, published in the journaltoday, found that five and 19 per cent of dementia cases in the US might be connected to a sufferer's impaired vision.
The researchers said this meant treatment and prevention of such problems had the potential to reduce dementia rates.Vision problems could be linked to dementia, new research suggests. The study used data from 2767 older adults to find that up to 19 per cent of dementia cases within the group could be attributed to at least one vision impairment.Near visual acuity and distance visual acuity were also found to be linked.However, the researchers acknowledged they had not yet fully determined that vision issues caused these dementia cases, though it is "possible" preventing vision problems could help prevent dementia.
It's only in the past few years that scientists have begun increasingly to link sight issues to dementia, with hearing loss previously ranked at the top of modifiable risk factors. According to Dementia Australia, current data suggests the illness could soon become Australia's leading cause of death.
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