• The sudden onset of painless monocular blindness was the initial manifestation of a nasopharyngeal cancer in a 78-year-old woman. Computerized cranial tomography demonstrated encasement of the optic nerve by tumor. Examination of the nasopharynx and paranasal sinuses is important in patients with primary neuroophthalmologic complaints.
Carlin L, Biller J, Laster DW, Toole JF. Monocular Blindness in Nasopharyngeal Cancer. Arch Neurol. 1981;38(9):600. doi:https://doi.org/10.1001/archneur.1981.00510090094016
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