A 28-year-old woman presented to the Lahey Eye Clinic reporting a 1-week history of constant binocular, horizontal diplopia. In addition to the diplopia, she described pain with extraocular movements and an associated frontal headache. She denied any blurred vision.
Her ocular history was notable for an episode of optic neuritis in the right eye about 1 year before presentation. The optic neuritis was worked up at an outside facility, but no associated conditions were identified.
Six months before her presentation, the patient had been diagnosed with perineal melanoma with metastases (Read more...)