What are ocular migraines?
What are ocular migraines, and what can be done to prevent them?
Ocular migraines share their last name with migraine headache's first name because both are the result of vessel spasms. In the case of ocular migraine there is only visual phenomena, with no headache, most commonly a lightning or flashing jagged light pattern at the edges of vision which occurs suddenly and stops just as suddenly. Some individuals experience blurring of vision while it is happening and others continue to see clearly during the episode. Ocular migraines are unlikely to cause damage to vision and once identified as benign often do not require treatment. If they occur so frequently as to interfere with activities, then treatment similar to that for migraines may be considered. L. Mogk, MD
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