Man presents with history of headaches, sudden vision decline

A 31-year-old man presented from an outside hospital with a 3-month history of headaches and 6 days of blurry vision in both eyes. He was previously found to have a dural venous sinus thrombosis on CT and MRI. He described the decline in vision to be “fairly sudden” and “a black cloud” in the center of his vision, greater in the right eye than the left eye. He was transferred to our hospital for complete work-up of his dural venous sinus thrombosis and acute decline in vision.His ocular history was unremarkable. His medical history was significant for an unprovoked deep venous thrombosis 3 years prior, as well as multiple episodes of oral and genital ulcers. He had not had any prior surgeries, and his family history was unremarkable. He was born in the Dominican Republic. He denied tobacco, alcohol or illicit drug use as well as risk-taking sexual activity. He denied any known drug allergies.