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Common eye test detects Alzheimer's decades earlier?

(STUDY FINDS) — ST. LOUIS — It may be possible sometime in the future to screen patients for Alzheimer’s disease using a non-invasive eye exam. A new study finds that technology similar to what many eye doctors already use may be able to identify signs of the condition in patients.

Researchers from Washington University School of Medicine in St. Louis say they’ve detected evidence of Alzheimer’s in older patients who had presented no symptoms of the disease using the potentially groundbreaking method.