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1. Which of the following treatments is FDA approved for the treatment of Demodex blepharitis?
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a. Oral Ivermectin 200 mcg/kg 2 doses spaced 1 week apart.
b. Intense Pulsed Light series of 4 treatments spaced 2 weeks apart.
c. Lotilaner 0.25% ophthalmic solution BID for 6 weeks.
d. Topical metronidazole 2% cream daily for 1 month.
2. When measuring corneal sensitivity in a suspected case of neurotrophic keratitis, which of the following is considered a quantitative technique?
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a. Tip of a tissue.
b. Cochet-Bonnet esthesiometer.
c. Dental floss.
d. Cotton wisp.
3. What was the primary objective of the MOJAVE study?
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a. To evaluate the efficacy and safety of perfluorohexyloctane ophthalmic drops for the treatment of signs and symptoms of dry eye disease associated with meibomian gland dysfunction.
b. To assess the mechanism of action of perfluorohexyloctane in improving tear film stability.
c. To compare the efficacy of perfluorohexyloctane to existing prescription dry eye treatments.
d. To determine the optimal dosing regimen for perfluorohexyloctane.
4. Which of the following is NOT a contraindication for a potential IPL patient who may have ocular and acne rosacea?
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a. Active cold sores.
b. Fitzpatrick Skin Type IV.
c. History of precancerous lesion at the treatment area.
d. Active bacterial conjunctivitis.
5. Clinical presentation of Neurotrophic Keratitis (NK) can range significantly from corneal surface irregularities to perforation with possible vision loss in early stage disease. What are the characteristics of Stage II of NK according to Mackie classification?
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a. Persistent epithelial defects (PED) that can be paracentral with margins tending to be smooth and rolled.
b. Stromal corneal involvement leading to lysis, ulceration, melting, and perforation.
c. Corneal epithelial irregularity in the form of punctate keratopathy without epithelial defect.
d. Thick, fleshy, vascular lesion progressively encroaching towards the center of the cornea.
6. When treating patients with in-office dry eye procedures, educating patients is important to set their expectations. What is a key concept to ensure that your patient understands?
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a. It is likely that patients will require repeat treatments over time.
b. IPL is the best treatment that you can offer.
c. Only one treatment should be done at a time.
d. Your treatment will cure their condition.
7. Which of the following is NOT considered a potential adverse event from when prescribing a prostaglandin-based eyelash serum?
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a. Periorbital fat atrophy.
b. Pruritus
c. Hypothyroidism.
d. Hyperpigmentation.
8. As noted in various literature sources, what percentage of blepharitis cases are likely due to Demodex infestation which might lead to Demodex blepharitis?
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a. 18%
b. 95%
c. 37%
d. 69%
9. A 55 year old male software engineer presents with a history of hypertension and anxiety and symptoms of mild to moderate itchy, red eyes with intermittent visual discomfort. The patient has been on and off OTC topical eye drops for the past two years. When assessing tear osmolarity levels in each eye, what reading might indicate this patient could have a dry eye diagnosis?
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a. 280 mOsm/L OD and 287 mOsm/L OS
b. 300 mOsm/L OD and 303 mOsm/L OS
c. 308 mOsm/L OD and 320 mOsm/L OS
d. 298 mOsm/L OD and 305 mOsm/L OS
10.Which of the following is the most effective way to identify Demodex blepharitis at the slit lamp?
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a. Ask the patient to look down and carefully look for cylindrical dandruff.
b. Looking for papillae on the mucosal conjunctiva.
c. Look for corneal edema.
d. Careful dilated fundus exam.
