Chapter 44: Eye and Ear Disorders
The nurse is caring for a patient who has increased intraocular pressure. The provider has ordered
levobunolol 0.5% ophthalmic solution. The nurse will perform a thorough health history to make sure
the patient does not have a history of which condition?
a. Asthma
b. Diabetes
c. Hypertension
d. Renal disease - ✔✔✔ANS: A
Levobunolol is a non-selective beta blocker that can be used to treat increased intraocular pressure.
This agent is contraindicated in patients with asthma.
The nurse is performing a medication history on a patient who has glaucoma. The patient has a
prescription for brimonidine (Alphagan P). The nurse knows that this drug belongs to which class of
medications?
a. Alpha-adrenergic agonists
b. Beta-adrenergic blockers
c. Cholinergic agonists
d. Cholinesterase inhibitors - ✔✔✔ANS: A
%
Brimonidine is an alpha-adrenergic agonist.
The nurse administers proparacaine HCl (Ophthaine) drops to a patient prior to an eye examination.
What sign will the nurse look for to determine when the examination can begin?
a. Absence of the blink reflex
b. Blurred vision
c. Drying of the corneal epithelium
d. Photophobia - ✔✔✔ANS: A
Proparacaine is a topical anesthetic for the eye and causes loss of the blink reflex. Drying of the
corneal epithelium is a side effect but occurs later as a result of the loss of the blink reflex. Blurred
vision and photophobia result from mydriasis and miosis.
The nurse is administering timolol (Timoptic) eye drops to a patient who has glaucoma. To prevent
bradycardia, the nurse will perform which action?
a. Apply pressure to the lacrimal ducts.
b. Have the patient sit up after instilling the drops.
c. Prepare to administer an alpha-adrenergic agonist.
d. Wait 5 minutes between drops. - ✔✔✔ANS: A
stuvia