We’ve been looking at the wrong part of the eye. New research shows the earliest signs of Alzheimer's are hidden at the very edges of the retina.

Cells along the outer edge of the retina begin to swell and multiply before memory problems appear. That subtle shift, ...

When you think of vision trouble, you might look at the issue head-on—literally. Determining how well you can see right in front of you is often the gauge for whether or not it’s time for a ...