Visual hallucinations of curve form dimension

Circles

"Ocular migraines cause [in my case] transparent watery waves and circles in field of vision."

(Corvus, Newsgroups: alt.support.headaches.migraine, Subject: Opthalmic Migraines, November 16, 2001)

"I have been a migraine sufferer for many years and have tried to describe the feeling to friends, family and physicians. I 'see' a dot that resembles a 'ping' from a submarine followed by concentric circles that move across my head from the point of origin."

(Carol, Email to Klaus Podoll, July 8, 2005)

Globes

"Headaches and headache-proneness (not actual but sort of threatening HAs) are always accompanied by peripheral flashing light, like a small globe with lights radiating down from its poles, on each side, when I roll my eyes with lids shut."

(Julianne, Newsgroups: alt.support.headaches.migraine, Subject: Re: Visual Disturbances, December 15, 1999)

References

Podoll K, Robinson D. Migraine Art - The migraine experience from within. Neurol Psychiat Brain Res 2002; 10: 29-34.
Sacks OW. Migraine. Revised and expanded. University of California Press, Berkeley-Los Angeles-Oxford 1992.
Siegel RK, Jarvik M. Drug-induced hallucinations in animals and man. In: Siegel R, West L (eds) Hallucinations: Behavior, experience, and theory. John Wiley and Sons, New York, NY 1975, 81-161.

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