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Retinal migraine Retinal migraine. Retinal migraine (also known as ophthalmic migraine, and ocular migraine) is a retinal disease often accompanied by migraine headache and typically affects only one eye. It is caused by ischaemia or vascular spasm in or behind the affected eye.
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- Migraines: The exact causes of migraines are unknown. A popular theory is that various triggers cause abnormal brain activity, which in turn causes changes in the blood vessels in the brain. This is called the neurovascular theory.
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hinderverb  [ T] uk â / ËhÉªn.dÉ r / usâ / ËhÉªn.dÉ / An attempt to go back to the old ways would simply hinder that process. From Europarl Parallel Corpus - English Their difficulties hinder communication, prevent normal education and unfortunately sometimes lead to mental breakdown and social exclusion. From Europarl Parallel Corpus - English To prohibit all communication, even on recognised scientific effects, would considerably hinder research and innovation in this sector.
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Migraine Headache Patient Comments Share Your Story. The exact cause of migraine headaches is not clearly understood, though experts believe they are due to a combination of the expansion of blood vessels and the release of certain chemicals, which causes inflammation and pain. The chemicals dopamine and serotonin are among those involved in migraine.
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Retinal migraine The terms retinal migraine and ocular migraine are often confused with visual migraine, which is a far-more-common symptom of vision loss, resulting from the aura phase of the common migraine. The aura phase of migraine can occur with or without a headache. Ocular or retinal migraines happen in the eye, so only affect the vision in that eye, while visual migraines occur in the brain, so affect the vision in both eyes together.
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Retinal migraine The terms retinal migraine and ocular migraine are often confused with visual migraine, which is a far-more-common symptom of vision loss, resulting from the aura phase of the common migraine. The aura phase of migraine can occur with or without a headache.
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Migraine Headache The exact cause of migraine headaches is not clearly understood, though experts believe they are due to a combination of the expansion of blood vessels and the release of certain chemicals, which causes inflammation and pain. The chemicals dopamine and serotonin are among those involved in migraine.
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- Vestibular migraine or migrainous vertigo is a type of migraine that may or may not cause a headache, but can include a number of debilitating symptoms affecting the ears, vision and balance. It is the second most common cause of vertigo.
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Seeing âspotsâ, zig-zag lines, and flashing lights In contrast to the ophthalmic migraine, the visual symptoms associated with the retinal migraine affects only one eye and can cause temporary blindness. When should a doctor be consulted?
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Retinal Migraine Retinal Migraine. Retinal migraine is a term used to describe a type of migraine where symptoms affect eyesight. In contrast to other migraines types that affect general eyesight in both eyes, a retinal migraine typically occurs in a single eye. The underlying cause of retinal migraine remains largely unknown.
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What Is An Ocular Migraine? Migraine headaches in general share some symptoms with ocular or retinal migraines. Most migraine sufferers experience four distinct phases of migraine headache: Prodromal: This is the days or hours before a migraine. Symptoms could include fatigue, irritability, and mood swings. Aura: Not everyone will experience the aural stage, but if they do, sensory changes occur, as does sensitivity to sound and light. Attack: The attack phase is the acute period of migraine.
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Weather Related Migraines: 8 Tips to Dodge Another Brain Storm The International Headache Society identifies seven triggers for weather related migraines: Temperature changes. High humidity. High winds. Stormy weather. Extremely dry conditions. Bright lights and sun glare. Barometric pressure changes.
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Migraine Causes February 26, 2013 at 12:29 pm #42337. Causes of migraine. Stress : eliminates what is causing you stress or tension and / or find a way to stop the events that annoy you to the point of causing stress and severe headaches. changes in sleep patterns : Not getting enough sleep can cause headaches and mental confusion and awkwardness.
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What causes a migraine with aura? The vessels open and constrict. A severe, often throbbing headache results. Factors suspected of causing migraines with aura include genetics and being overweight. Substances, behaviors, and environment may trigger migraines, as well. It is known that migraines often run in families.They frequently begin in childhood and worsen through adolescence.he vessels open and constrict. A severe, often throbbing headache results. Factors suspected of causing migraines with aura include genetics and being overweight. Substances, behaviors, and environment may trigger migraines, as well. It is known that migraines often run in families.
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Ocular migraine: When to seek help Migraine aura involving your vision. In some cases, ocular migraine describes a migraine aura that involves your vision. Migraine auras include a variety of sensations — often visual, but which also may include other sensations, such as numbness — that precede or accompany a migraine.
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Everything you need know about retinal migraine A retinal migraine can cause temporary blindness or visual problems in one eye. Retinal migraines usually last for up to 1 hour and are followed by the return of normal vision. Contents of this article:
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Ocular Migraines 1 This type of migraine is generally of short duration, an hour or less. 2  A common variation is a scintillating scotoma which is caused by a spasm or spreading wave of spasm of the blood vessel or other behavior of the nerves located at the back of the head which supplies blood to the eyes.
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Ocular Migraines Ocular Migraines. Nutrients Symptoms Causes Self help discussion Treatment. Ocular migraine can be described as a related group of conditions, all affecting vision, usually temporarily, and usually caused by a spasm in or obstruction of one of the tiny blood vessels associated with vision.
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Ocular Migraines Causes of Ocular Migraines. Some scientists think that ocular (visual) migraines are caused by or triggered by inflammatory substances released in the tissues surrounding the circulatory and nerve system of the head and brain. Ocular migraines may be due to stress and fatigue - the same probable causes of migraine headaches.
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Ocular Migraines Ocular Migraines. Ocular migraine can be described as a related group of conditions, all affecting vision, usually temporarily, and usually caused by a spasm in or obstruction of one of the tiny blood vessels associated with vision. They are distinguished from each other by the symptoms and duration.
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- Any condition that causes elevated intracranial pressure, such as cerebral aneurysm, brain tumors, other lesions, venous sinus thrombosis, and pseudotumor cerebri, can also lead to eye pain and headache. Eye pain caused by elevated intracranial pressure often can be exacerbated by Valsalva maneuver.32.
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- Ocular migraines cause vision loss or blindness in one eye that lasts less than an hour. You can have them along with or after a migraine headache. Experts sometimes call them visual, retinal, ophthalmic, or monocular (meaning one eye) migraines. This problem is rare.
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Why do migraines occur? What triggers a migraine? Your MNT account status. Migraines: Causes, Symptoms and Treatments. A migraine is a severe, painful headache that can be preceded or accompanied by sensory warning signs such as flashes of light, blind spots, tingling in the arms and legs, nausea, vomiting, and increased sensitivity to light and sound. The excruciating pain that migraines bring can last for hours or even days.
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Migraine With Aura Back to Top Causes. A migraine is caused by abnormal brain activity, which is triggered by stress, food, or something else. The exact chain of events is not known. However, it seems to involve various nerve pathways and chemicals in the brain. The changes affect blood flow in the brain and surrounding membranes.
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- In this Article. Ocular migraines cause vision loss or blindness in one eye that lasts less than an hour. You can have them along with or after a migraine headache. Experts sometimes call them visual, retinal, ophthalmic, or monocular (meaning one eye) migraines. This problem is rare.
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Migraine with aura Many of the same factors that trigger migraine can also trigger migraine with aura, including stress, bright lights, some foods and medications, too much or too little sleep, and menstruation.