A 41-year-old woman presented with a 21-year history of a left orbital mass. She reported 3 distinct episodes of sudden proptosis, periorbital bruising, pain, nausea and vomiting with resulting stepwise deterioration in her vision. Her symptoms resolved spontaneously over several days, with the exception of loss in vision, which persisted. Examination was notable for ipsilateral enophthalmos in primary gaze. With Valsalva she developed proptosis. Magnetic resonance imaging (MRI) demonstrated a left orbital apex malformation consistent with a varix. She had no light perception on the left with end-stage optic atrophy. This case illustrates the severity of visual loss that can occur with orbital varices.
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