Betaxolol hydrochloride (Betoptic) eye drops have been prescribed for the client with glaucoma.. Monitoring blood pressure

Betaxolol hydrochloride (Betoptic) eye drops have been prescribed for the client with glaucoma. Which of the following nursing actions is most appropriate related to monitoring for the side effects of this medication?
a) Monitoring temperature
b) Monitoring blood pressure***
c) Assessing peripheral pulses
d) Assessing blood glucose level.