University of Florida Jun 16 2026 Often called "the window to the soul," the eyes may also offer clues about something less poetic but just as important: the health of the brain. A new study of tens of thousands of patients revealed that cheap, simple and common photographs of the retina at the back of the eye can accurately predict many of the most common risk factors that are associated with developing Alzheimer's disease. "We know that Alzheimer's disease develops over decades, but most of