We have all had a picture taken of us where we look like a demon because our eyes are completely red. A lot of the time, this is just a silly thing we can get past, but these red-eyed photos have ...

Q: Over the years, I occasionally experience a streak of light across my vision, which goes away quickly. However, I have recently noticed a persistent small black spot when looking out of my right ...

Often, your eyes can reveal more about your overall health than you expect, and sometimes even before other physical symptoms ...

A new study from the Netherlands Institute for Neuroscience shows how flickering light can cause hallucinations in our brain: it produces "standing waves" of brain activity. The work is published in ...