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Sudden flashes of light, especially if persistent.One new, large floater or “showers” of floaters appearing suddenly.
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The following are some symptoms that should prompt you to see a medical professional, such as an optometrist: It is important to see your doctor if you experience sudden episodes of flashes to get a more precise diagnosis. Older individuals may experience flashes on or off for several weeks or months and it may be a complication of a pre-existing disease like diabetes. This sensation can also be experienced if you have been stricken in the eye and see a bright light before regaining vision. When the vitreous fluid in your eye rubs or pulls against the retina, it may present itself as a flash of light or lightning streaks. This type of flash may be caused by a migraine, as it can result from a spasm of blood vessels in the brain. It will most likely obscure the vision on one side and usually go away after 10–20 minutes. These flashes appear in a similar manner to floaters, looking like flickering lights, but often only on one side of your vision and in a jagged pattern. Migraines and flashes (auras) often present together.
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Eye flashes and migraines: What’s the connection? Floaters are generally well tolerated, but some may complain they interfere with reading or overall vision. Floaters can also be appreciated in those who have had previous eye surgery, or eye injuries, and in those who have had long-term diabetes. This percentage rises to about two-thirds in 80-year-olds. Both are considered harmless occurrences but are signs of potential future problems in the eye, especially when they happen suddenly and often.Ībout one-quarter of people has some vitreous shrinkage, developing floaters by their 60s. Flashes are strands of light that flicker across the visual field that is usually enhanced by these floaters. These may present as flashes of light in the corner of the eye, flashes of light in the peripheral vision, or even as flashes of light in both eyes.įloaters are a general term used to describe specks, threads, or cobweb-like images that occasionally drift across the line of vision. Most disorders that affect the eye will likely affect vision in some way, with random floaters or flashes being relatively common. However, there are many medical conditions that can compromise our vision, with some resulting in a decreased ability to focus or the loss of vision itself. Our eyes are one of the most important organs in the body, as they give us the ability of sight.