Skip to Main Content

Chapter 64: Ocular Pharmacology

KM is a 44-year-old African American woman with decreased peripheral vision and a blind spot on the left side. She was in a motor vehicle accident because she did not see the car in the left lane. She complains of brow ache and headaches that have become worse over the past 2 weeks. Intraocular pressure measures 28 in the right eye and 26 in the left eye. She is on a fixed income and buying medications is often difficult. She works odd jobs with varying shifts. Blood pressure was 140/95.

Diagnosis: Primary open angle glaucoma, hypertension, and insomnia

Medications: Amlodipine 5 mg daily, pilocarpine 2% both eyes four times daily, Tylenol PM 2 at bedtime

Allergies: Sulfa. Blue eyes turned brown on Xalatan and she refused treatment.

Which glaucoma medication is contraindicated for KM?

a. Timolol

b. Iopidine

c. Brimonidine

d. Dorzolamide

e. Tafluprost

Answer d is correct. Dorzolamide is a carbonic anhydrase inhibitor which contains sulfa. KM has a sulfa allergy.

Answers a, b, c, and e are incorrect. KM does not have contraindications to these medications.

KM is a 44-year-old African American woman with decreased peripheral vision and a blind spot on the left side. She was in a motor vehicle accident because she did not see the car in the left lane. She complains of brow ache and headaches that have become worse over the past 2 weeks. Intraocular pressure measures 28 in the right eye and 26 in the left eye. She is on a fixed income and buying medications is often difficult. She works odd jobs with varying shifts. Blood pressure was 140/95.

Diagnosis: Primary open angle glaucoma, hypertension, and insomnia

Medications: Amlodipine 5 mg daily, pilocarpine 2% both eyes four times daily, Tylenol PM 2 at bedtime

Allergies: Sulfa. Blue eyes turned brown on Xalatan and she refused treatment.

Which medication may be causing KM to have brow aches?

a. Amlodipine

b. Acetaminophen

c. Diphenhydramine

d. Pilocarpine

e. Latanoprost

Answer d is correct. Older centrally acting agents such as pilocarpine can cause brow aches.

Answers a, b, c, and e are incorrect. They are not associated with causing brow aches.

Which class of ...

Pop-up div Successfully Displayed

This div only appears when the trigger link is hovered over. Otherwise it is hidden from view.