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teichopsia
teichopsia (tiːˈkɒpsɪə) n (Pathology) pathol a temporary visual impairment associated with migraineteichopsia
teichopsia [ti-kop´se-ah] scintillating scotoma; the sensation of a luminous appearance before the eyes, with a zigzag, wall-like outline.tei·chop·si·a (tī-kop'sē-ă), The jagged, shimmering visual sensation resembling the fortifications of a walled medieval town; the scintillating scotoma of migraine. Synonym(s): fortification phenomenon [G. teichos, wall, + opsis, vision] An angled figure near the point of fixation, which gradually spreads and assumes a lateral convex shape with a scintillating edge, leaving a varying amount of scotomata in its wake, which is characteristic of the aura that precedes visual migraines. This phenomenon was also know by the fanciful term, Maginot line pattern, so named for the jagged, slightly off-center linestei·chop·si·a (tī-kop'sē-ă) The jagged, shimmering visual sensation resembling the fortifications of a walled medieval town; the scintillating scotoma of migraine. [G. teichos, wall, + opsis, vision]teichopsia The scintillating scotoma of migraine. A slowly-expanding area of visual loss with a shimmering, jagged border that lasts for about 20 minutes and then fades away leaving normal vision. Teichopsia may or may not be followed by headache. Also known as ‘fortification spectra’, hence the Greek derivation from teichos , a wall, and ops , vision. There is anecdotal evidence that teichopsia is commoner in academics and intellectuals than in the general population.teichopsia A transient, shimmering visual sensation. Example: the fortification spectrum of a scintillating scotoma.tei·chop·si·a (tī-kop'sē-ă) Jagged, shimmering visual sensation resembling fortifications of a walled medieval town; scintillating scotoma of migraine. [G. teichos, wall, + opsis, vision]ThesaurusSeescintillating scotoma |