Eye may be window to Alzheimer’s diagnosis

PHOTOGRAPHING the retina may provide reliable early clues if a person is developing Alzheimer’s disease, CSIRO researchers say.

PhD candidate Shaun Frost presented the results of the team’s first human studies at the Alzheimer’s Association International Conference in France on the weekend.

In the study, retinal photos were taken of 110 healthy people, 13 with Alzheimer’s and 13 with mild cognitive impairment.

The widths of certain blood vessels were different in the Alzheimer’s patients, and the amount of difference