Simple vision tests can predict Parkinson’s dementia before it begins – News-Medical.Net

Simple vision tests can predict which people with Parkinson’s disease will develop cognitive impairment and possible dementia 18 months later, according to a new study by UCL researchers.
The study, published in Movement Disorders, adds to evidence that vision changes precede the cognitive decline that occurs in many, but not all, people with Parkinson’s.
In another new study published today in Communications Biology, the same research team found that structural and functional connections of brain…

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