A 35-year-old White man with a history of diabetes is scheduled for cataract surgery. He receives cyclopentolate hydrochloride (Cyclogyl) eye drops. The nurse practitioner knows the patient understands how to use the medication when he says:

"This medication will constrict my pupils and contract the ciliary muscles."

"This medication is used for corneal anesthesia."

"This medication is used to add moisture to my eyes."

"This medication is used to dilate my pupils and relax the ciliary muscles."