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Eyesight 'clue' to mental decline
http://www.bbc.co.uk/news/health-17368317
Vision with retinopathy
Looking at the back of the eye may offer an insight into the health of someone's brain, according to the US researchers.
A small study, published in the journal Neurology, linked damage to the retina with declining brain function.
They believe issues with the blood supply may be damaging both the eye and the brain.
Alzheimer's Research UK said the study showed the importance of a healthy heart.
