Past MRCOphth/MRCS questions: 13
1.    With regard to nutrition:
a. zinc deficiency is commonly associated with difficulty of 
    dark adaptation - unresponsive to vitamin A treatments
b. cystinosis results in a peripheral pigmentary retinopathy
c. gyrate atrophy is a dominantly inherited disease
d. restriction of arginine and administration of pyridoxine 
    is helpful in gyrate atrophy
e. Menkes' syndrome is associated with copper excess
2. Diabetic retinopathy:
a. is more prevalent in young men than young women
b. is primarily a disease of the posterior retina
c. an early histopathologic finding is relative loss of 
    endothelial cells
d. new blood vessels come mainly from the arterial 
    side of the circulation
e. depends mainly on the duration of the disease

3. The ideal contact lens:

a. should have a high DK value for gas permeability
b. should be soft
c. should give clear vision
d. should be durable
e. should not be resistant to deformation

4. Hard contact lenses can be made from:

a. PMMA - polymethylmethacrylate
b. CAB - cellulose-acetyl-butyrate
c. HEMA - hydroxyethelmethacrylate
d. silicone and PMMA copolymer
e. glass

5. Hard contact lenses are better than soft contact lens because:

a. they are more permeable to oxygen
b. they are easily processible
c. they are smaller in diameter
d. they are easier to sterilize
e. they are not hydrophilic

6. Soft contact lenses are better than hard contact lenses 
    because they:

a. do not cause overwearing syndrome
b. do not cause spectacle blur
c. scratch less easily
d. do not not cause refractive changes
e. dislocate less less easily

7. Residual astigmatism is:

a. astigmatism due to corneal distortion
b. astigmatism which cannot be corrected with glasses
c. astigmatism which cannot be corrected with contact 
d. astigmatism due to lenticular distortion
e. correctable by photorefractive surgery

8. Giant papillary conjunctivitis is related to:

a. contact lens deposits
b. an autoimmune reaction
c. soft contact lenses
d. hard contact lenses
e. cold sterilization of contact lenses

9. Acetzolamide:

a. is know to cause aplastic anaemia
b. may cause a metabolic acidosis
c. may cause a metallic taste in the mouth
d. causes paraesthesia in 30% of patients on treatment
e. may precipitate liver failure in cirrhosis

10. Latanoprost:

a. inhibits cyclo-oxygenases
b. decreases aqueous production
c. causes cystoid macular oedema in aphakic patients
d. causes pigment dispersion syndrome
e. increases aqueous outflow through the trabecular 
More MCQs