A patient is about to undergo emergency surgery for acute angle-closure glaucoma. Before surgery, which agent(s) will the nurse expect to administer? (Select all that apply.)
a. Acetazolamide
b. Brimonidine [Alphagan]
c. Mannitol
d. Phenylephrine
e. Timolol
A, C, E
Acetazolamide is used short term, in conjunction with other agents, to produce rapid lowering of IOP in patients with angle-closure glaucoma. Mannitol is an osmotic agent used in the emergency treatment of acute angle-closure glaucoma. Timolol helps reduce the production of aqueous humor and can be used in emergency treatment of angle-closure glaucoma. Brimonidine is used for long-term therapy for glaucoma. Phenylephrine is an adrenergic agonist used as a mydriatic agent.
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