2 MCQs in Ophthalmology for NEET PG
A 45-year-old man with poorly controlled diabetes and chronic sinusitis presents with acute right eye pain, proptosis, and chemosis. On examination, he has restricted eye movements and a mid-dilated pupil that does not react to light. Fundoscopy shows retinal whitening and optic disc swelling. CT orbit shows infiltration of the right cavernous sinus with gas bubbles in the orbital fat. Blood glucose is 480 mg/dL. What is the most likely diagnosis, and which organism is classically associated?
Which of the following is the most common predisposing factor for orbital cellulitis in children?
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