Retinas: New potential clues in diagnosing, treating Alzheimer's

A study has identified certain regions in the retina - the lining found in the back of the eye - that are more affected by Alzheimer's disease than other areas. The findings may help physicians predict changes in the brain as well as cognitive deterioration, even for patients experiencing the earliest signs of mild impairment.

source https://www.sciencedaily.com/releases/2020/11/201117144535.htm