The Client Complains of Blurry Vision After Using Pilocarpine (Isopto

The client complains of blurry vision after using pilocarpine (Isopto Carpine) .Which explanation about the blurry vision is most appropriate by the nurse?

A) "This is a common reaction,but should be temporary."
B) "Use only half the dose,and monitor the results."
C) "I will have the physician prescribe something different for you."
D) "You have an allergy,and should stop using the drops."