Understanding the Sudden Bursts of Light in Your Vision Have you ever seen sudden streaks, sparks, or flashes of light—like lightning bolts—out of the corner of your eye? These are known as eye flashes, and while they can be brief and harmless, they may also be a sign of something more serious happening inside the eye. In this post, we’ll explain what eye flashes are, what causes them, and when you should see an eye doctor. What Are Eye Flashes? Eye flashes, also called photo