Unexpected flashes of light in your eye can be alarming, ... which describes the perception of lights flashing or flickering, sparkles, shapes, quick pops, ... Improve Night Vision, ...

Flashes of light in the corner of the eye could occur for many reasons. Learn about the potential causes and when a person should get a doctor’s advice here.

WebMD helps you understand night vision problems such as halos, blurriness, and night blindness. With a doctor’s help, you can find ways to treat vision problems you have at night.

What causes thunder and lightning? 00:49 Thunderstorms are one of nature's most fascinating and dangerous occurrences. We have all witnessed a lightning bolt illuminating the night sky and heard ...