True stereopsis is perceived due to the following: a) Overlay of contours b) Motion parallax c) Bi-nasal disparity d) Linear perspective Correct answer : c) Bi-nasal disparity
The following ocular structure is not derived from surface ectoderm: a) Crystalline lens b) Sclera c) Corneal epithelium d) Epithelium of lacrimal glands Correct answer : b) Sclera
A patient presented with unilateral proptosis which was compressible and increases on bending forward. No thrill or bruit was present. MRI shows a retroorbital mass with enhancement. The
Occulomotor nerve palsy causes all except : a) Miosis b) Ptosis c) Outward eye deviation d) Diplopia Correct answer : a) Miosis Occulomotor nerve supplies: Superior rectus Inferior
All are common causes of childhood blindness except a) Malnutrition b) Glaucoma c) Ophthalmia neonatorum d) Congenital dacryocystitis Correct answer : d) Congenital dacryocystitis
Which of the following does not handle the oxidative damage in the lens? A. Vitamin C B. Vitamin A C. Glutathione D. Catalase Correct answer : Vitamin A
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