Dictionary

magnetophosphene en · NOUN

Etymology

From magneto- + phosphene.

Meanings

1. A flash of light seen when the optic nerve is subjected to a strong changing magnetic field (such as in an MRI).
   • A number of transient phenomena were reported for human subjects in the first 4 T whole-body systems, including vertigo, difficulty in balancing after leaving the magnet, nausea, headache, numbness or tingling, magnetophosphenes, and an unusual metallic taste in the mouth. 2010, Xiaoping Hu, David G. Norris, “Advances in high-field magnetic resonance imaging”, in Annual Review of Biomedical Engineering:

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