While flashes and floaters are common, especially as we age, it is important to see your doctor if you experience them, as they may indicate a retinal tear or hole. Your doctor can distinguish between harmless flashes and floaters, and those that may require treatment for an underlying condition.The sudden appearance of flashes, floaters and other visual disturbances may indicate the vitreous pulling away from the retina, lead to a retinal detachment. Anyone experiencing these symptoms should seek immediate medical attention to reduce the risk of complications such as loss of vision.