A woman in her late 50s was referred to the neuro-ophthalmology clinic for evaluation of a 7-month history of recurrent, transient vision loss in the right eye. She reported 5 episodes, each lasting a few minutes and all occurring on awakening. Further inquiry revealed that symptoms always developed after using her electronic reader tablet in dim lighting while lying on her left side. Notably, the patient reported immediate resolution of vision loss on turning on the lights. She denied headaches, visual aura, or neurologic symptoms. Her other medical history was unremarkable.
Sathiamoorthi S, Leavitt JA, Chen JJ. Recurrent Monocular Vision Loss and an Ocular Mass. JAMA Ophthalmol. 2018;136(4):440–441. doi:10.1001/jamaophthalmol.2017.4285
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