An 80-Year-Old Patient Has a Diagnosis of Glaucoma,and the Ophthalmologist

An 80-year-old patient has a diagnosis of glaucoma,and the ophthalmologist has prescribed timolol (Timoptic) and pilocarpine eye drops.The primary care NP should counsel this patient:

A) that systemic side effects of these medications may be severe.
B) that the combination of these two drugs may cause drowsiness.
C) to begin an exercise program to improve cardiovascular health.
D) that a higher dose of one or both of these medications may be needed.