A 29-year-old woman is brought to the physician because of a 2-day history of decreased vision in her left eye. Two years ago, she had a 1-month history of mild left-sided weakness that resolved spontaneously. Physical examination shows mild left-sided hyperreflexia. Visual acuity is 20/100 in the left eye and 20/20 in the right eye. Which of the following additional findings is most likely to be present in this patient? A) Afferent pupillary defect B) Bilateral left superior quadrantanopia C) Homonymous hemianopia D) Miosis E) Ptosis
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These symptoms suggest a neurological disorder, most likely multiple sclerosis (MS). In MS, one common visual symptom is optic neuritis, which can cause an afferent pupillary defect (also known as a Marcus Gunn pupil). This occurs when there is a problem with the Show more…
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