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Scintillating scotoma is a common visual aura that was first described by 19th-century physician Hubert Airy (1838–1903). Originating from the brain, it may precede a migraine headache , but can also occur acephalgically (without headache), also known as visual migraine or migraine aura. [ 4 ]
Photopsia; This is an approximation of the zig-zag visual of a scintillating scotoma as a migraine aura. It moves and vibrates, expanding and slowly fading away over the course of about 20 minutes.
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. Visual migraines result from cortical spreading depression and are also commonly termed scintillating scotoma.
Retinal migraine symptoms tend to be more severe than regular aura symptoms - during a retinal migraine, you may partially lose vision or even go temporarily blind in one eye. In other cases, you ...
Ocular migraines affect your vision in one or both eyes. Here, experts share ocular migraine symptoms, causes, and treatments.
Scintillating scotoma is a common visual aura in migraine. [4] Less common, but important because they are sometimes reversible or curable by surgery , are scotomata due to tumors such as those arising from the pituitary gland , which may compress the optic nerve or interfere with its blood supply.
Non-medication home remedies can provide relief, especially when drug treatments aren't an appropriate option or for patients who are trying to "avoid drug therapy altogether," Graley says.
The scintillating scotoma of migraine in humans may be related to the neurophysiologic phenomenon termed the spreading depression of Leão. [13] Increased extracellular potassium ion concentration and excitatory glutamate contribute to the initiation and propagation of cortical spreading depression, which is the underlying cause of migraine ...
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