A) IgM antibodies B) Lysozyme C) Mast cells D) IgA antibodies Answer (Select an option above to get the answer):
(Single Best Answer) Question 63: An 18 year old boy comes to the eye casualty 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 Answer (Select an option above to get the answer):
(Single Best Answer) Question 64: A 25 year old male gives history of sudden painless loss of vision in one eye for the past 2 weeks. There is not history of trauma. On examination the anterior segment is normal but there is no fundal glow. Which one of the following is the most likely cause ?
A) Vitreous haemorrhage B) Optic atrophy C) Developmental cataract D) Acute attack of angle closure glaucoma Answer (Select an option above to get the answer):
(Single Best Answer) Question 65: The mother of a one and a half year old child gives history of a white reflex from one eye for the past 1 month. On computed tomography scan of the orbit there is calcification seen within the globe. The most likely diagnosis is ?
A) Congenital cataract B) Retinoblastoma C) Endophthalmitis D) Coats disease Answer (Select an option above to get the answer):
A) For the isolation of the causative agent, corneal scraping should be cultured on a nutrient agar plate B) The causative agent, Acanthamoeba is a helminth whose normal habitat is soil C) Keratitis due to Acanthamoeba is not seen in the immunocompromised host D) Acanthamoeba does not depend upon a human host for the completion of its life-cycle Answer (Select an option above to get the answer):