Acute Angle-Closure Glaucoma — RACP Adult Medicine MCQ
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Correct answer: A — Begin acetazolamide and topical pressure-lowering treatment, then perform laser iridotomy once feasible
The best answer is “Begin acetazolamide and topical pressure-lowering treatment, then perform laser iridotomy once feasible”. Acute angle closure threatens rapid optic-nerve injury. Acetazolamide and appropriate topical pressure-lowering drops are started immediately with ophthalmology; pilocarpine is used after pressure begins to fall when the iris can respond, and definitive iridotomy prevents recurrence. Anticholinergic dilation such as atropine can worsen angle closure.
Reference: RANZCO: Glaucoma clinical resources: https://ranzco.edu/home/policies-and-guidelines/