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Review Question - QID 107408

QID 107408 (Type "107408" in App Search)
An 82-year-old man presents to the emergency department complaining of vision loss in his left eye. He states that it suddenly appeared as if a curtain was coming down over his left eye. It resolved after five minutes, and his vision has returned to normal. He has a history of coronary artery disease and type 2 diabetes. What is the most likely cause of this patient's presentation?