CORNEA MCQ 6

1.      Bulging of lower lid on down gaze in keratoconus is called:

a.      Schaffer sign

b.    Munson sign

c.       Stellwegsign

d.      Fleischer sign

e.      Hutchinson sign

2.      Test of choice to diagnose keratoconus is

a.      Placido disc

b.      Ophthalmoscopy

c.       Retinoscopy

d.      OCT

e.   Corneal topography

3.      In corneal cross linkage CXL which drops are used to photosensitize the eye;

a.      Fluorescein

b.    Riboflavin

c.       Rose Bengal

d.      Lipidol

e.      ICG

4.      In keratoconus ophthalmoscopy shows

a.      Scissor reflex

b.      Vogt striae

c.       Acute hydrops

d.      Fleischer ring

e.      Oil droplet sign

5.      Which corneal dystrophy involve Bowman layer

a.  Cogan dystrophy

b.  Rees buckler

c.   Lattice

d.  Granular

                                e     Macular 

6.      Band keratopathy is due to deposition of which salt in bowman layer and anterior stroma

a.  Magnesium

b.  Calcium

c.   Sodium

d.  Chloride

e.  Phosphate

7.      Treatment of Band keratopathy is

a.  EDTA

b.  Antibiotic

c.   Yag laser

d.  Artificial lubrication

e.  Argon laser

8.      Amber colored granules in superficial stroma of interpalpebral cornea is

a.  Salzmann nodular degeneration

b.  Spheroidal degeneration

c.   Band keratopathy

d.  Cystinosis

e.  Glucopolysaccharidosis

9.      Tissue adhesive used to seal small corneal perforation is MADE OF:

a.  Fibrin

b.  Cyanoacrylate 

c.   Trypan blue

d.  Rose bengal

e.  None of above

10.      Sutures used in penetrating keratoplasty is

a.  10/0 nylon

b.  5/0 vicryl

c.   6/0 catgut

d.  4/0 silk

e.  Chrome gut