Unexpected flashes of light in your eye can be alarming, and in many cases, it’s something that should be discussed with your doctor as soon as possible. That said, these bright flashes are not always ...

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 ...

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 ...

Matt Fuchs lives in Maryland and writes about health, science, and technology. A car at night with headlights on. Matt Fuchs lives in Maryland and writes about health, science, and technology. A few ...

Blink and you'll miss it: two momentary blue flashes in a set of photographs of a serac fall. The man who took them has a theory that hits on unanswered questions in physics. Astrophotographer Li ...

Asteroid hyalosis is a fairly common condition where small calcium particles accumulate inside your eye. They don't usually cause symptoms that you would notice. You might only find out you have it ...

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 ...

Seeing stars during pregnancy can happen for various reasons, but it may be a sign of preeclampsia. If this occurs, a person should contact a doctor immediately. A person may sometimes notice flashes ...

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