The eyes may be the windows to the soul, but new research indicates they also may mirror a brain ravaged by Alzheimer’s disease. UC Irvine neuroscientists have found that retinas in mice genetically altered to have Alzheimer’s undergo changes similar to those that occur in the brain - most notably the accumulation of amyloid plaque lesions.

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Alzheimer’s Disease: Eyes Are Potential Gateway To Quicker Diagnosis, Treatment, UCI Study Suggests (Medical News Today)