FC Ophth(SA) Final Practice Questions - Fellowship Of The College Of Ophthalmologists Of South Africa Final Examination Exam

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A 28-year-old soft contact lens wearer presents with severe right eye pain out of proportion to clinical signs, photophobia, and lacrimation. Slit-lamp examination reveals a delicate radial keratoneuritis and ring-shaped stromal infiltrate. Corneal scraping shows double-walled cysts on calcofluor white staining. Which of the following is the first-line topical antimicrobial therapy?

Polyhexamethylene biguanide (PHMB) 0.02% combined with chlorhexidine 0.02% Natamycin 5% ophthalmic suspension alone Fortified tobramycin 1.5% and cefuroxime 5% drops Ganciclovir 0.15% ophthalmic gel and oral aciclovir

Correct Answer:

Polyhexamethylene biguanide (PHMB) 0.02% combined with chlorhexidine 0.02%

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