Past MRCOphth/MRCS questions: 7
1. Advantages of cryotherapy over diathermy include:
a. cryotherapy causes little or no scleral damage
b. cryotherapy shrinks the sclera thus facilitating closure of 
    the drainage site
c. cryotherapy does not force fluid from the eye thus 
    maintaining a reasonable intraocular pressure
    cryotherapy can be safely applied over staphylomatous 
    sclera
e. cryotherapy causes no damage to the vortex vein or 
    ciliary arteries


2. Juvenile retinoschisis:

a. is an autosomal recessive condition
b. there is classical cystoid oedema at the macula
c. the split is in the nerve fibre layer
d. is a bilateral disease
e. it is most commonly seen in the superior nasal quadrant


3. Complications of retinal detachment operations include:

a. strabismus
b. refractive error
c. macular pucker
d. anterior segment necrosis
e. angle closure glaucoma


4. Regarding buckles:

a. encirclage reduces vitreous traction in the eye
b. scleral dissection is required in explants
c. encirclage is indicated when there is evidence of 
    proliferative vitreo-retinopathy
d. an encirclage can be used if no holes are found on  
    examination
e. maximal reduction of vitreous traction can be 
    achieved only if the encircling band constricts the 
    vitreous base.


5. After retinal detachment:

a. protein synthesis in the retina is increased
b. intraretinal oedema appears
c. there is a disruption of the photoreceptors
d. retinal pigment epithelial cells can proliferate and they 
    appear as subretinal white dots
e. large intraretinal cysts form after a short period of time


6. Syphilitic keratitis is characterized by:

a. early pain and photophobia
b. diffuse vascularization
c. stromal haze heaviest in the centre
d. lack of corneal sensitivity
e. punctate epithelial keratopathy


7. Keratopathies in which fat is a prominent feature include:

a. arcus senilis
b. lipid dystrophy
c. keratitis centralis annularis
d. chronic scleritis
e. Stocker's line
8. Macular dystrophy is characterized by:
a. diffuse and rapidly progressing cloudiness
b. superficial lesions in central cornea
c. stromal lesion in peripheral cornea
d. early impairment of visual acuity
e. autosomal dominant inheritance


9. Band keratopathy:

a. appears in children with Still's disease
b. is associated with arthritis and iritis
c. appears in the interpalpebral area
d. slit lamp reveals dark holes in bowman's membrane
e. may be removed with sodium EDTA


10. Recurrent corneal erosions:

a. improve during the waking hours
b. can be treated with topical steroids in acute phase
c. results from epithelium removal by the lids in sleep
d. characteristically causes symptoms in the evening
e. can be treated with a bandage contact lens.
 
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