Cornea & Conjunctiva MCQs

Ophthalmology · 5 free questions with answers & explanations.

1. A 28-year-old contact lens wearer presents with a painful red eye, photophobia, and a 3 mm central corneal ulcer with a hypopyon. Corneal scraping reveals Gram-negative rods. Which organism is most likely responsible?
2. A 35-year-old man presents with recurrent attacks of unilateral reduced vision, seeing halos, and corneal edema that clears by afternoon. Slit-lamp examination shows Descemet membrane folds and stromal edema in the morning. The most likely diagnosis is:
3. On slit-lamp examination of a 22-year-old with progressive myopia, you notice a conical protrusion of the cornea, Fleischer ring at the base of the cone, and Vogt striae. Which condition does this describe?
4. A 10-year-old atopic child presents with intense itching, photophobia, and a foreign body sensation worse in summer. Slit-lamp examination reveals giant cobblestone papillae on the upper tarsal conjunctiva and a shield ulcer on the upper cornea. The most appropriate initial management is:
5. A 55-year-old man with a history of chronic blepharitis develops a triangular, wing-shaped fibrovascular growth on the nasal conjunctiva that has encroached 3 mm onto the cornea, causing induced astigmatism. Which feature of this lesion indicates surgical removal?