what does it mean when your vision pulses?
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Oscillopsia is a vision problem in which objects appear to jump, jiggle, or vibrate when they're actually still. The condition stems from a problem with the alignment of your eyes, or with the systems in your brain and inner ears that control your body alignment and balance.
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The first sign you may notice is a gradual or sudden change in the quality of your vision or that straight lines appear distorted to you. This may gradually turn into a dramatic loss of your central vision. Other symptoms include: Dark, blurry areas or whiteout that appears in the center of your vision.
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['Loss of vision or decreased vision in one or both eyes.', 'Changes in vision such as sudden spots, flashes of light, lightning streaks or jagged lines of light, wavy or watery vision, blurry faces, distortions or wavy lines, haloes around lights, double vision.']
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You may notice a reddish tint to your vision. You may also notice bright flashes of light in the corners of your vision. This is caused by the vitreous gel pulling on the retina, which can sometimes lead to a retinal tear.
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Eye-related causes This is one of the most common causes of flashes of light in your eye. It typically happens as you get older. With posterior vitreous detachment, the vitreous humor detaches from the retina. If it happens too quickly, it can cause small flashes of light, usually in the corner of your vision.
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Your brain has to adjust to different strengths as your eyes move around the lenses. That's why you might feel dizzy.
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Blurred vision refers to a lack of sharpness of vision resulting in the inability to see fine detail. Blurred vision may result from abnormalities such as nearsightedness, farsightedness, presbyopia, or astigmatism that can be improved with corrective lenses (eyeglasses) or it may signal the presence of eye disease.
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These phenomena visible to the closed eye might include white blood cells within the capillaries around the part of the retina called the fovea, which pulsate with one's heartbeat; white dots with tails; floaters and vertical or horizontal lines.
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Feeling a pulse through the temporal artery can signal a malformation in the blood vessel, though this is rare. It can also happen when your heart is moving extra blood with each heartbeat, which can occur with common problems like thyroid disease or anemia.
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One is the result of a blow to your head. This type of injury can scatter nerve signals in your brain and affect your vision temporarily. Something else may be happening inside the eye besides injury. When you see stars inside the eye, you may be experiencing what's called an entoptic phenomenon.
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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 progressive blurred vision is usually caused by long-term medical conditions. Sudden blurring is most often caused by a single event.
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Your eyes are at work from the moment you wake up to the moment you close them to go to sleep. They take in tons of information about the world around you — shapes, colors, movements, and more. Then they send the information to your brain for processing so the brain knows what's going on outside of your body.
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Retinal migraine (ocular migraine) is an eye condition that causes brief attacks of blindness or visual problems like flashing lights in 1 eye. These episodes can be frightening, but in most cases they're harmless and shortlived, and eyesight goes back to normal afterwards.
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Nystagmus (Eye Shaking) Nystagmus is a medical condition in which the eyes move involuntarily, often shaking back and forth. These involuntary movements may be horizontal, vertical, or sometimes even rotational. The movements may be very subtle, very prominent, or somewhere in between.
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During an ocular migraine, or migraine with aura, you may see flashing or shimmering lights, zigzagging lines, or stars. Some people describe psychedelic images. It may also cause blind spots in your field of vision. Of people who report having migraines, one out of every five experiences this aura.
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A greyout (US English grayout) is a transient loss of vision characterized by a perceived dimming of light and color, sometimes accompanied by a loss of peripheral vision. It is a precursor to fainting or a blackout and is caused by hypoxia (low brain oxygen level), often due to a loss of blood pressure.
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Small arc-like momentary flashes of light in the peripheral vision are commonly experienced during vitreous separation. The vitreous pulls on the retina which makes one think they are seeing a light but it is caused by movement of the retina.