scintillating scotoma

noun

Medical Definition of scintillating scotoma

: a blind spot in the visual field that is bordered by shimmering or flashing light and that is often a premonitory symptom of migraine attack

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“Scintillating scotoma.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/scintillating%20scotoma. Accessed 31 Oct. 2020.

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