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Detecting your risk of a stroke by taking an eye scan

A high street eye scan may help predict someone’s risk of stroke or heart attack up to 10 years in advance, new research shows. The £20 scan uses artificial intelligence to analyse images of the back of the eye and spot signs linked to cardiovascular disease.
Retinal imaging, which takes less than a minute, can detect blood vessel damage or narrowing that may indicate similar problems elsewhere in the body.
Researchers at the University of Dundee ran existing eye scans from 1,200 people with diabetes through AI software.
In 70 per cent of cases, it correctly identified early warning signs in those who went on to have a major heart problem within a decade.
Dr Ify Mordi, a cardiologist and British Heart Foundation research fellow, said: “This is a one-stop scan which is routinely performed and takes less than a minute.
If there is damage or narrowing of the blood vessels at the back of the eye, there is a good chance that that will also be seen further inside the body.
“The eyes are a window to the heart.”
The scans are widely available at high street opticians and are also offered on the NHS for some patients.
Results could be used to refer people who may not know they are at risk to a doctor for preventative treatment.
Professor Bryan Williams, chief medical officer at the British Heart Foundation, said: “The more accurately we can detect someone’s risk of a heart attack or stroke, the better the opportunities to prevent them happening.
Cutting-edge innovations like this could play a role in improving risk prediction.

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