A Patient Has a New Prescription for an Antiglaucoma Eyedrop

A patient has a new prescription for an antiglaucoma eyedrop. The next day, she calls the clinic and states, "The package insert says this medication might make my blue eyes turn brown! Is this true?" The nurse realizes that the patient has a prescription for which eye medication?

A) latanoprost ( Xalatan ) , a prostaglandin agonist
B) dorzolamide (Trusopt ) , an ocular carbonic anhydrase inhibitor
C) betaxolol ( Betoptic ) , a direct-acting beta blocker
D) pilocarpine ( Pilocar ) , a direct-acting cholinergic