A Client with Glaucoma Who Has Been Using Timolol Drops

A client with glaucoma who has been using timolol drops for several days tells the nurse that the eye drops cause eye burning and visual blurriness for a short time after administration. Which of the following responses by the nurse is most appropriate?

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