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Introduction Overview: Pathophysiology and Differential Diagnosis Therapeutics Therapy of Allergic Eye Disorders Case One: Ten-Year-Old Tommy Case Two: Twenty-Six-Year-Old Andy Case Three: Twelve-Year-Old Dimitri Case Study Questions Additional Resources Home		Compass Online Case Study Questions 1. Which of the following is true about allergic conjunctivitis (AC)? a. Is only seasonal b. Is characterized by hyperemia, itching, tearing, and often accompanied by nasal congestion c. Is contagious d. Affects only one eye initially, but bilaterally within 48 hours Correct Answer: B. Allergic conjunctivitis can be seasonal or perennial. Signs and symptoms of perennial tend to be milder than seasonal. There is bilateral dilatation of the conjunctiva blood vessels in allergic conjunctivitis. Viral and bacterial conjunctivitis occurs in one eye and later in the other. 2. Oral antihistamines are the first line of treatment for AC. a. True b. False Correct Answer: B. False. Oral antihistamines are only mildly effective for itching. They may increase ocular symptoms by decreasing tear production causing dry eyes. OTC antihistamines may cause drowsiness, excitability, dizziness, negatively impact communication and learning. <back> [ next ]
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