http://www.newsweek.com/routine-eye-exam-could-help-doctors-identify-patients-who-will-later-develop-1042929

Researchers found that they might be able to use a routine eye exam to identify patients who are prone to develop dementia.

A simple eye test—usually done to identify early signs of eye disease by looking at the tissue in the back of the eye—could help medical providers pinpoint who is more likely to become cognitively impaired with age. Scientists have found that patients with thinner retinas are more apt to have difficulty with memory and reasoning, according to a study published in June in JAMA Neurology.