A woman from the U.K. wrote that she was suffering from severe migraine headaches, however, it turned out to be a lot worse.
Frances Paine, who was in medical school, began suffering from migraines, which were accompanied by “auras.” For some people, auras can appear prior to the onset of a migraine. Auras are things like strange lights or smells that aren’t really there.

An artist's depiction of a migraine aura Public Domain