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Flashes and Floaters: When Are They Normal—and When Are They an Emergency?
Have you noticed tiny specks drifting across your vision or brief flashes of light? While flashes and floaters are common and often harmless, sudden changes could indicate serious retinal problems like tears or detachment. Floaters appear as dots, strings, or shadows caused by age-related changes in the vitreous, while flashes occur when the vitreous tugs on the retina. Risk factors such as high nearsightedness, prior eye surgery, eye trauma, or family history increase the ch

Keshav Narain, M.D.
Jan 233 min read


Photopsia After Eye Trauma: What You Need to Know
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.

Keshav Narain, M.D.
Oct 4, 20253 min read
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