Approach to acute vision loss Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 72-year-old woman presents to the emergency department for evaluation of acute-onset blurry vision in the left eye associated with severe left eye pain. She has not experienced ocular trauma. That morning, she noticed pain in the left eye along with seeing halos around lights. She feels nauseous and has a severe headache. She has a past medical history of well-controlled type 2 diabetes mellitus, allergic rhinitis, and hypertension. She takes metformin and lisinopril, and intranasal fluticasone as needed. She wears contact lenses and cleans them nightly. Family history is significant for multiple sclerosis in her mother. Temperature is 37.0°C (98.6°F), pulse is 88/min, respirations are 16/min, and blood pressure is 122/80 mmHg. Visual acuity is 20/20 OD and 20/50 OS. The left eye pain worsens when the lights are dimmed. There is conjunctival injection in the left eye, and the left pupil is fixed and dilated. There is no discharge. Fundoscopy reveals left optic disc edema. Which of the following is the most likely risk factor for the underlying cause of this patient’s vision loss? 

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