In females, migraine episodes may also correlate with the hormonal changes that take place during the menstrual cycle. According to the Migraine Research Foundation, 90% of people with the condition have a family history of migraine. Migraine also appears to have a link with a person’s genes. Migraine aura may develop because of abnormal electrical activity in the outer surface of the brain, or cortex, which slowly spreads like a wave over the visual portion of the brain. One theory is that they are due to inflammation in the brain, which can cause blood vessels to swell and put pressure on nerves, causing pain. Researchers are not sure exactly why migraine headaches or episodes occur. Retinal migraine causes headaches as well as severe blind spots or blindness in one eye that lasts for less than 1 hour. Aura generally sets in before the migraine becomes painful. It typically develops shortly before or during a migraine headache and is the second of a migraine’s four stages. However, the nonvisual symptoms, such as intense pain, may last from several hours to a few days.Īura tends to last between 10 and 30 minutes. Visual symptoms due to ocular migraine can be scary and disabling, but most are short lived. Silent migraine usually causes some of the visual symptoms of migraine but no head pain. intense pain, which may be pulsating or throbbing, in one or both sides of the head.tingling or numbness on one side of the body.a bright or blind spot that starts in the center of vision and spreads to cover up to half of the visual field.seeing temporary flashes of stars, zig-zag lines, or other patterns.visual migraines, including what may cause them and possible prevention and treatment practices.The symptoms that ocular migraine causes vary widely among individuals. The appearance of shimmering spots or starsĬlick here to learn more about ocular vs.Wavy or zigzag patterned ring of light (sometime occurring around a blind spot).A noticeable blind spot that moves across your field of vision.Flashes or flickering of light in or near the center of your field of vision.Visual Disturbance Symptoms of Ocular and Visual Migraines can include: However, if the visual disturbances are only occurring in one eye, it’s most likely an ocular migraine. Rather than stopping in an unsafe manner.Ī simple way to tell the difference between an ocular migraine and a visual migraine is to cover one eye at a time if the visual disturbances are occurring in both eyes, chances are it’s a harmless visual migraine. Never drive while experiencing visual changes, butĪlways be sure to get off to the side of the road safely and to a safe distance What you are doing and rest your body and eyes until your vision has returned Performing another task requiring clear vision, take precautions. When you are experiencing visual disturbances of any kind. For this reason, if your visual symptoms (including vision loss or blindness, auras, flashing lights, and/or blind spots, etc.) are in only one eye, you should see a physician immediately to determine the root cause of your symptoms and rule out the possibility of a stroke or another medical condition.īe cognizant of your surroundings and actions ![]() As previously mentioned, they can potentially lead to permanent vision loss in that eye, but they can also have symptoms that mimic those of other medical conditions, including a stroke. ![]() On the other hand, the specific visual symptoms of ocular migraines affect only one eye, can occur alone, or during/after a regular migraine headache, and can take up to an hour to dissipate…however, the long-term damage can be severe. Visual migraines will typically cause visual disturbances in both eyes and occur alone or just before a regular migraine headache lasting only about 30 minutes. This confusion can be dangerous as they are in fact two different migraine types, with the visual migraines being much more common and relatively harmless. ![]() Unfortunately, the term “ocular migraine” is often used interchangeably and confused with the term “visual migraine” when referring to visual disturbances. One of the more threatening types is the “ocular migraine,” which can potentially lead to permanent vision loss in the affected eye. ![]() There are over a dozen different types of migraines, and while none of them are pleasant, some are definitely more dangerous than others.
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