Have you noticed sudden flashes of light after a head or eye injury? These eye flashes—known as photopsia—can signal serious conditions like retinal tears or detachment. In this article, Dr. Keshav Narain of South Bay Retina explains how trauma can affect your retina, what symptoms require urgent care, and why timely evaluation is crucial to protect your vision. Learn the warning signs, diagnostic steps, and preventive measures to keep your eyes safe after injury.