Causes and Symptoms of Eye Stroke - Oren Zarif - Eye Stroke
Eye stroke is a medical emergency that can lead to permanent vision loss and severe physical symptoms. A blood clot or fatty plaque in the retina can block the flow of blood to the eye. The blockage may break up on its own, but it will do significant damage. People with certain health conditions are at a higher risk for eye stroke than others. It is important to seek medical attention as soon as you suspect the onset of an eye stroke.
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The causes of eye strokes vary depending on the type of blood vessel affected, the part of the eye that is affected, and the mechanism that results in the blockage. Sometimes retinal occlusion and ischemic optic neuropathy occur together. There are two types of ischemic optic neuropathy: arteritic anterior ischemic neuropathy and non-arteritic anterior ischemic optic neuropathy. The former occurs as a result of giant cell arteritis, while the latter is not associated with inflammation.
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Symptoms of eye stroke include problems with visual processing. This is also known as visual neglect and affects the way you perceive the world around you. If your right side of the brain is affected, this is more likely to affect your ability to perceive objects and surroundings. It may also affect your ability to drive or cope with traffic. It may also lead to a disorienting feeling in crowded environments. While you can see clearly in the affected side of the eye, the visual field will be affected in that side.
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The symptoms of eye stroke vary from person to person, but in most cases, people with eye stroke notice a decrease in one or both eyes. Most people do not feel any pain when experiencing these symptoms, but they may notice a shadow or dark patch on their vision. Light sensitivity may also be present. The good news is that it is treatable if caught early enough. When diagnosed early, eye stroke is treatable. However, the window for treatment is six hours.
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Treatment of eye stroke depends on the location of the clot. Some people may benefit from medication that dissolves blood clots or laser treatments that widen the arteries to the retina. These measures will reduce the risk of long-term injury and prevent further vision loss. If you suspect that you may be suffering from eye stroke, consult your doctor immediately. After the diagnosis, you should be evaluated by an ophthalmologist to determine whether you need more treatment.
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A thorough eye examination is necessary to diagnose eye stroke. A doctor will use imaging devices and specialized tools to see if you have retinal fluid. The ophthalmoscope or fundoscope will be used to view the retina and identify signs of swelling. Fluorescein angiography is another test that highlights damaged blood vessels in the retina. During fluorescein angiography, a dye is injected into the arm and travels through the bloodstream to the eye. A camera then takes images of the retinal arteries.
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Poor circulation in blood vessels is a primary cause of eye stroke. The poor blood flow starves the retina of oxygen, causing a lack of vision. This condition can occur in many forms and can be life-threatening. With immediate medical treatment, eye stroke can be saved or even reversed. If not treated, vision can be irreversible. This condition is a medical emergency and requires immediate attention. If caught in the early stages, however, it can be prevented.
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When patients have suspected eye stroke, the emergency department's neuroradiology team will send imaging to a retinal specialist who can make an immediate diagnosis. If an eye stroke is diagnosed, the patient will be transferred to a hospital equipped with OCT technology. During this time, interventional neuroradiologists can dissolve the clot with an infusion of a clot-dissolving drug. Oftentimes, eye stroke patients will be transferred to a hospital that has OCT technology and a dedicated stroke unit.
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The signs and symptoms of eye stroke vary according to the type of occlusion. Some are caused by a blockage in one of the retinal veins, which blocks blood flow in the area. Others are due to the buildup of fluid in the retina. These clots can lead to temporary or permanent vision loss. In any case, prompt treatment is critical to preventing permanent vision loss. You will need to see a doctor immediately if you experience any of these symptoms.
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While many people do not realize it, eye stroke is often a precursor to a heart attack or a stroke. The most important step in preventing future strokes is to avoid any risk factors. If you have a family history of stroke, it is crucial to get proper diagnosis. The writing committee noted that it takes a team of specialists to diagnose and treat patients with eye stroke. CRAO therapy is a surgical procedure that involves the injection of medicine directly into the affected artery. While this type of treatment is considered "safe" by many, there are some risks associated with the procedure.