1. Trachoma follicles:
a. occur in the conjunctival stroma
b. consist of lymphocytes in early stages
c. may show necrosis in the central zone
d. are not accompanied by submucosal inflammation
e. are pathognomonic of the disease
2. Carbonic anhydrase inhibitors:
a. can cause exfoliation dermatitis
b. are hyperosmotic agents
c. encourage renal stone formation
d. can result in metabolic acidosis
e. can cause potassium depletion
3. Lattice degeneration:
a. is usually found at the equator
b. is associated with abnormal vitreous retinal adhesions
c. develops from paving stone degeneration
d. sometimes requires prophylactic treatment
e. is associated with horseshoe breaks
4. A tumour of the temporal lobe can:
a. produce a homonymous hemianopia
b. produce visual hallucinations
c. simulate migraine
d. VIth nerve palsy
e. disturbance of the medial longitudinal bundle
5. The herpes simplex virus can:
a. cause disciform keratitis
b. cause corneal hypoaesthesia
c. be a conjunctival commensal
d. be activated by sunlight
e. produce marginal keratitis
6. Regarding episcleritis:
a. episcleritis nearly always accompanies scleritis
b. episcleritis clears without treatment
c. simple episcleritis is sectoral in 70% of cases and
generalized in 30%
d. vascular congestion is mainly in the superficial
conjunctiva plexus
e. nodular episcleritis may progress to anterior nodular
scleritis
7. Regarding scleritis:
a. posterior scleritis is seldom related to a systemic
disease
b. the most benign form of scleritis is the nodular anterior
type
c. most patients with inflammatory necrotizing scleritis die
within a few years of onset of disease
d. scleromalacia perforans occur in most connective
tissue disease
e. scleromalacia perforans will response well to pulse
dose methyl prednisolone and cyclophosphamide
8. Regarding orbital trauma:
a. orbital blow-out fractures result when the bony orbit is
injured by an object characteristically smaller
than the
orbital rim
b. orbital emphysema is a sign of fracture of a sinus wall
and is frequently following ethmoid fractures
c. naso-orbital fractures often affect the medal canthal
tendon
d. visual loss can be a result of posterior ciliary arterial
damage
e. an afferent pupillary defect and visual loss immediately
following surgery should be treated with systemic
steroids
9. Concerning lesion of the optic disc:
a. 40% of patients with central congenital optic disc pits
develop serous detachment of the macula
b. optic disc drusen are situated in the retrolaminar zone
of the optic nerve
c. optic disc drusen are often associated with anomalous
configuration of the disc vessels
d. in optic disc melanocytomas the visual field defect is
determined by the size of the lesion
e. primary optic atrophy is characterized by marked
proliferation of glial and fibrous connective tissue
on
the optic disc
10. The following are true:
a. in unilateral cases of optic nerve hypoplasia there may
be a disparity in the size of the optic foramina
b. optic nerve glioma in adults usually presents like an
acute optic neuritis
c. the temporal field defect in tilted disc can be reduced
by the appropriate refractive correction
d. myelinated nerve fibres can be present at birth
e. congenital disc coloboma can be associated with
absent septum pellucidum