Abstract
A 55-year-old woman with a long history of hypertension presented to the hospital with a 1-day history of periorbital discomfort, inferior chemosis, and conjunctival injection of the left eye (Panel A). She reported having a 2-year history of episodic headache and pulsatile tinnitus in the left ear. Examination of the left eye revealed a visual acuity of 20/60, a relative afferent pupillary defect, exophthalmos (with 6 mm of protrusion), and an elevated intraocular pressure (48 mm Hg). Examination of the right eye was unremarkable. Contrast-enhanced computed tomography of the orbit showed a dilated left superior ophthalmic vein (Panel B, arrow), . . .
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