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—The patient described in our case report is an intelligent young woman who, in fact, was a medical student at the time of her transient monocular blindness. Throughout her illness she has been a reliable observer of her neurologic symptoms, and there had been no signs of exaggeration or hysterical behavior at any time. The episode of monocular blindness with preserved pupillary reflexes, which was carefully described by several competent observers, was associated with a transient absence of visual evoked potentials induced by stimuli in the affected eye.We obviously cannot provide a formal proof that no light perception was present in this patient, and we recognize that some degree of skepticism is natural. However, the assertion by Drs Thompson and Corbett that "visual and pupillomotor impulses are identical in the optic nerve" does not rest on a firm experimental foundation, and we could emphasize that
Lhermitte F, Guillaumat L, Lyon-Caen O. Relative Afferent Pupillary Defect-Reply. Arch Neurol. 1985;42(6):516. doi:10.1001/archneur.1985.04060060014007
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