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. ========================================================== ================================================================...