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Author: Admin | 2025-04-28
Sudden blurring can be caused by dry eye or a single event, including a detached retina, stroke or TIA. These 18 events can cause sudden blurred vision, and immediate treatment may be important to prevent permanent vision loss.Blurry vision is very common. A problem with any of the components of your eye, such as the cornea, retina, or optic nerve, can cause sudden blurred vision.Slowly progressing blurred vision is usually caused by long-term medical conditions. Sudden blurring is most often caused by a single event.Here are 18 causes of sudden blurred vision.Some causes of sudden blurry vision are medical emergencies that must be treated as soon as possible to prevent permanent damage and vision loss.1. Detached retinaA detached retina occurs when your retina tears away from the back of your eye and loses its blood and nerve supply. According to the National Eye Institute, this is usually the result of aging or injury, but it can also be a complication of diabetes.When it happens, you see flashing lights or floaters, which are sometimes dark or black. You may also experience an area of blurred or absent vision, sometimes described as a curtain coming down over the vision. Without emergency treatment, vision in that area may be permanently lost.2. StrokeBlurry or lost vision in both eyes can occur when you have a stroke affecting the part of your brain that controls vision. A stroke involving your eye causes blurred or lost vision in only one eye.You may have other symptoms of a stroke, including:face droopingweakness in the armsdifficulty speakingsudden numbnesssudden confusiondizziness or a loss of balance and coordinationsevere headache with no known cause3. Transient ischemic attackA transient ischemic attack (TIA) is a stroke that lasts less than 24 hours. One of its symptoms can be blurred vision in one or both eyes.4. Wet macular degenerationThe center of your retina is called the macula. Abnormal vessels may grow, causing blood and other fluid to leak into the macula. This is called wet macular degeneration.It causes blurriness and vision loss in the center part of your visual field. Unlike dry macular degeneration, this
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