Potential to identify risk of Alzheimer’s in middle age

Alzheimer's disease
PET scan of a human brain with Alzheimer’s disease. Credit: public domain

A simple eye test may make diagnosing the earliest stages of ‘diseases of old age’ possible when people are much younger, University of Otago researchers hope.

Parts of our retina have previously been proposed as biomarkers for Alzheimer’s, but researchers from Otago’s Dunedin Multidisciplinary Health and Development Research Unit have been investigating the retina’s potential to indicate cognitive change earlier in life.

Study lead Dr. Ashleigh Barrett-Young says diseases of old age, such as Alzheimer’s, are usually diagnosed when people start forgetting things or acting out of…

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