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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 ]
It may be difficult to read and dangerous to drive a vehicle while retinal migraine symptoms are present. Retinal migraine is a different disease than scintillating scotoma, which is a visual anomaly caused by spreading depression in the occipital cortex at the back of the brain, not in the eyes nor any component thereof. [2]
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.
Retinal migraine. Retinal migraines also affect your vision before or during a migraine headache, but they only cause symptoms in one of your eyes. Retinal migraine symptoms tend to be more severe ...
Ocular migraines affect your vision in one or both eyes. Here, experts share ocular migraine symptoms, causes, and treatments.
(Migraine with aura is considered a separate condition and comes with an increased risk for stroke, the Mayo Clinic says.) During an aura, "there's a spontaneous firing of neurons in this visual ...
Artist's depiction of zig-zag lines experienced as part of a migraine aura phenomenon: Specialty: Neurology, neuro-ophthalmology: Types: Scintillating scotoma: Differential diagnosis: Persistent aura without infarction, retinal migraine, visual snow
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. Rarely, scotomata are bilateral.
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