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Discussion Starter · #1 ·
A 22-year-old man who takes antimycobacterial therapy for pulmonary tuberculosis presents to the clinic because of recent visual disturbance and pain with movement of his left eye. On examination, there is tenderness to the pressure of the left eye and a blind spot at the center of vision. Fundus examination reveals pale optic disc.
What is the most likely etiology of this patient's visual symptoms?
A-As a complication of tuberculosis
B-A side effect of isoniazid
C-A side effect of rifampin
D-A side effect of ethambutol
E-A side effect of pyrazinamide
Answer
 
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