By FnF Correspondent | PUBLISHED: 17, Jul 2023, 18:35 pm IST | UPDATED: 17, Jul 2023, 18:38 pm IST
This is a crucial time for dementia research, as evidence builds about how factors such as sight loss are linked to dementia. Studies like this are crucial for identifying possible new dementia risk factors and ultimately working out how to potentially prevent some cases of dementia from happening in the first place," said Dr Susan Mitchell, Head of Policy at Alzheimer's Research UK.
"This new study provides important new evidence linking sight loss to dementia and ties in with previous studies. But this isn't definitive, and it will be important for future studies to find out precisely what is causing this apparent link, as this will determine what, if any, potential there is for prevention," she said.
There are several possibilities -- for example, diabetes is a key risk factor for dementia, and this condition can also cause vision problems. Or it might be that there are shared pathways in the brain that cause both vision loss and a decline in memory and thinking abilities.
Some cases of sight loss are preventable, and others can be treated successfully -- if this link is confirmed, this could mean people who take steps to minimise sight problems as they get older could also help reduce their risk of conditions like dementia, Mitchell said.
"In the meantime, we can all take action to protect our brain health, from keeping our hearts healthy to enjoying new activities and social interactions," she noted.
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