‘Game Changer’: Simple Eye Scan May Detect Alzheimer’s Earlier, Study Finds

Author: Study Finds / Source: Study Finds

DURHAM, N.C. — Your eyes may be the window to your soul, but thanks to new research, they may also be the key to detecting Alzheimer’s disease early on. Researchers at the Duke Eye Center say a simple eye scan may reveal activity in the brain associated with the debilitating condition.

Eye doctors may not only be fitting patients with glasses or contacts in the future, but they could also be routinely checking people for Alzheimer’s. The research team found that blood vessel activity in the eyes of Alzheimer’s patients is notably different from that within healthy individuals.

On the left, the retina of a healthy person shows a dense web of blood vessels, the highest-density areas highlighted in red and orange. On the right, the retina of a person with Alzheimer’s disease shows areas in blue and teal where blood vessels are least dense. The images were captured using optical coherence tomography angiography (OCTA).

“We know that there are changes that occur in the brain in the small blood vessels in people with Alzheimer’s disease, and because the retina is an extension of the brain, we wanted to investigate…

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