A new eye test may detect Alzheimer’s disease decades before its onset
![Closeup of an eye](https://www.cheseneyes.com/wp-content/uploads/shutterstock_107349326.jpg)
A simple eye test could soon reveal whether patients have Alzheimer’s disease, or if they are likely to develop the disease in the future. Researchers recently announced promising results associated with a study focused on a new test that can pick up on the disease years, if not decades, before the appearance of clinical signals.
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