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What is a scintillating scotoma?
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What is a scintillating scotoma during pregnancy?
Nov 12, 2020 · A scotoma is an aura or blind spot that obstructs part of your vision. Like other types of scotoma, scintillating scotomas appear as floaters, dots, or blind spots in your...
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]
Jan 18, 2023 · Scintillating: This type of scotoma often appears to be jagged or wavy. It can go from light to dark and back again. It’s a disruption of electrical signals. This kind of scotoma often happens if you have a migraine with aura. Scintillating scotomas often don’t last long.
Feb 21, 2024 · A scintillating scotoma might look like the following: Flickering, pulsating, or shimmering light; A zigzag or wave that alternates between light and dark; An arc-shaped or jagged line; Medical professionals may refer to scintillating scotomas as teichopsia. Central Scotomas . A central scotoma is a blind spot directly in your line of sight.
Sep 15, 2015 · With scintillating, or fortification, scotomas, the central scotoma is bordered by a crescent of shimmering zigzags. Presentation and Pathogenesis. Visual auras or scotomas are not blur.
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.
Jan 5, 2021 · Because a scintillating scotoma is more of a visual disturbance (scintillating means “sparkling” or “shimmering”) than a true blind spot, it often is referred to as a visual aura. Most scintillating scotomas are temporary and last anywhere from a few seconds to up to 30 minutes.
