1. Retinal laser treatment should be:
a. heavy in pan-retinal photocoagulation
b. gentle for subretinal neovascular membrane
c. heavy for macular grids
d. gentle for retinal breaks
e. gentle for exudative maculopathy
2. The optokinetic nystagmus (OKN) response:
a. is impaired when the OKN drum rotates towards the
side of a deep parietal lesion
b. is impaired when the OKN drum rotates towards the
side of a unilateral lesion of the vestibular nucleus
c. is accompanied by convergence retraction nystagmus
in cases of pineal tumours when the OKN drum is
rotated in an upward direction
d. is reversed in congenital nystagmus
e. is usually normal in malingerers
3. Chronic progressive external ophthalmoplegia:
a. diplopia is a common feature
b. is usually seen in the under 20 age group
c. is associated with ocular pharyngeal dystrophy
d. has a good prognosis
e. is a feature of Kerans-Sayre syndrome
4. The following are true:
a. X-linked retinoschisis usually involves the central and
peripheral retina
b. retinoschisis is usually treated surgically
c. sickle cell retinopathy is characterized by "sunburst"
lesions
d. sickle cell retinopathy is a feature of sickle cell trait
e. haemoglobin SC disease is often associated with "sea
fan"
5. Keratoplasty in the infant:
a. a fFieringa ring should be attached to the infant globe
before surgery
b. the infant pupil may not dilate postoperatively because
of hypoplasia of the musculature of the iris
c. it is best to use donor tissue from children or infant in
keratoplasty where the host is child or infant
d. it is best not to use continuous suture technique with
buried knot
e. repeated, frequent examinations under anaesthesia are
important in follow up
6. Keratoconus:
a. this condition is most often a bilateral impairment
b. visual impairment stems from the irregular hyperopic
astigmatism
c. this is a non-inflammatory condition found usually in
adolescents
d. abnormally low ocular rigidity is found to be
characteristic of most patients with keratoconus
e. may be caused by soft contact lens
7. Bilateral corneal crystalline deposits may occur in:
a. cystinosis
b. gout
c. monoclonal gammanopathy
d. Salzmann's dystrophy
e. Schnyder's dystrophy
8. Treatment modalities which may be used in the treatment
of herpes simplex keratitis include:
a. oral acyclovir
b. oral steroids
c. topical trifluorothymidine
d. mechanical debridement
e. corneal graft
9. Interstitial keratitis may be present in:
a. syphilis
b. herpes zoster
c. neurofibromatosis
d. Cogan's syndrome
e. Lyme's disease
10. Immunosuppressive therapy may be beneficial in:
a. retinoblastoma
b. Coats' disease
c. Mooren's ulcer
d. Terrien's peripheral ulcer
e. Behcet's disease