Man reports acute onset of blurred, tunnel vision

A 35-year-old Caucasian man with a medical history of migraine headaches presented to the emergency room for acute onset of blurred vision and tunnel vision that began when he woke up in the morning. In addition to blurred vision, he complained of a mild headache with a pressure sensation behind his eyes. He denied eye pain, nausea and vomiting.
A week before presentation, he was seen by a neurologist for persistent headaches and started on topiramate 25 mgby mouth twice a day. The night before presentation, his dose of topiramate (Read more...)

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