Timolol (Timoptic)ophthalmic Drops Are Prescribed for a Patient with Open-Angle

Timolol (Timoptic) ophthalmic drops are prescribed for a patient with open-angle glaucoma.After using the drops for several days,the patient tells the nurse that the eye drops cause her vision to become blurry for a period of time.What is the best response to the patient's complaint?

A) "These are normal side effects of the medication,which should become less noticeable with time."
B) "If you occlude the puncta after you administer the drops,it will help relieve these side effects."
C) "These symptoms are related to the glaucoma and may indicate a need for increased dosage of eye drops."
D) "The drops are uncomfortable,but it is very important for you to continue using them as prescribed to retain your vision."