Kaleidoscope vision is a symptom of migraine. The brain creates a visual illusion of fractured or bright colors, similar to those a person might see through a kaleidoscope. Migraine can affect vision ...

Have you ever felt a sudden flash of light in your vision or noticed zigzagging lines? This may occur before a severe ...

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 ...

Because some conditions and diseases are more debilitating than others, public health officials and policymakers have ways of defining just how disruptive and limiting each may be. One way they do ...

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Here’s our process. Migraine is a medical condition that causes severe ...