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 ...

Eye floaters are common, harmless specks caused by collagen clumps in the eye's vitreous, often appearing with age. While usually benign, a sudden inc ...

People have long reported seeing flashes of light during brain radiotherapy. Until now, no one has been able to capture evidence of this sensation in humans, and only theory, models, and speculation ...