These differ on an individual basis but can include: While they don’t know the cause, experts have seen that spasms in the blood vessels and nerve cells in the retinal lining at the back of the eye are associated with ocular migraine symptoms.įor some, there are certain environmental triggers, or a combination of factors, that cause migraines. Genetic predisposition seems to be a factor to some extent, and having a family history of migraines does put you at greater risk. Similar to classic migraines, the exact cause of an ocular migraine is unknown. They may also be called eye, ophthalmic, or retinal migraines. Ocular migraines can also sometimes appear without any head pain at all. These types of ocular migraines commonly appear by obstructing a small area of vision which spreads gradually over 5 minutes.Ī second type of ocular migraine is when you actually experience temporary vision loss or disruptions (flashes, blind spots, zigzag lines etc.) during or immediately following the migraine headache.
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