Ophthalmology

Q: A 54-year-old man presents to the emergency department with intense pain in his right eye. Examination reveals a red ring surrounding his iris and elevated intraocular pressure in the same eye. After obtaining a careful history with the aid of the man’s wife, the emergency room physician concludes that this episode was triggered by which of the following agents?

(a) :  Amitriptyline
(b) :  Cimetidine
(c) :  Diazepam
(d) :  Malathion
(e) :  Propranolol
Answer:  Amitriptyline
Explanation:  

Q: Organism most commonly implicated in Late onset endophthalmitis after cataract surgery is?

(a) :  Pseudomonas aeruginosa
(b) :  Staphylococcus epidermidis
(c) :  Candida albicans
(d) :  Propionibacterium acnes
(e) :  None of the above
Answer:  Propionibacterium acnes
Explanation:  

Q: False about Argyll Robertson Pupil is?

(a) :  Accommodation reflex normal
(b) :  Direct pupillary reflex absent
(c) :  Indirect pupillary reflex normal
(d) :  Visual acuity normal
(e) :  None of the above
Answer:  Indirect pupillary reflex normal
Explanation:  

Q: An 18 year old boy comes to the eye casuality with history of injury with a tennis ball. On examination there is no perforation but there is hyphaema. The most likely source of the blood is

(a) :  Iris vessels
(b) :  Circulus iridis major
(c) :  Circulus iridis minor
(d) :  Short posterior ciliary vessels
(e) :  None of the above
Answer:  Circulus iridis major
Explanation:  

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