Magnetophosphene meaning

A flash of light seen when the optic nerve is subjected to a strong changing magnetic field (such as in an MRI)

2010 Xiaoping Hu and David G. Norris, "Advances in high-field magnetic resonance imaging", Annual Review of Biomedical Engineering: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.

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Origin of magnetophosphene

  • magnet- +‎ -o- + phosphene

    From Wiktionary