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A 51-year-old man presented with acute-onset bilateral blindness that had developed during the previous 4 days. He reported having consumed cheap, unbranded whisky in a bout of binge drinking. This episode was followed by severe breathlessness that lasted for 48 hours. He then noticed dimness in his vision, with pain at the back of both eyes that was exacerbated by eye movement. On physical examination, visual acuity was reduced to perception of light, and the pupils were bilaterally dilated, with afferent pupillary defect. Eye movements were painful. The optic disks were edematous bilaterally, and the margins were blurred, with pallor . . . [Full Text of this Article] |