DESCRIBE THE CLINICAL FINDINGS REPORTED IN CASES OF CANINE DISTEMPER VIRUS.Vitamin A is essential for ocular health. Relate the pathophysiology of vitamin A
deficiency in cattle to the clinical signs associated with the condition.

1. Describe the clinical findings reported in cases of canine distemper virus.
(10 marks)
2. Vitamin A is essential for ocular health. Relate the pathophysiology of vitamin A
deficiency in cattle to the clinical signs associated with the condition. (10 marks)
3. Answer all parts of this question:
a) Discuss the proposed pathogenesis of aqueous misdirection syndrome
(malignant glaucoma). (2 marks)
b) Discuss the clinical manifestations of this form of glaucoma. (3 marks)
c) Briefly state ultrasonographic and histopathology findings associated with the
condition. (2 marks)
d) Briefly discuss treatment options for this disease. (3 marks)
4. Disuss pathophysiological changes that occur within the lens during cataract
formation. (10 marks)
5. Compare and contrast the clinical signs, pathophysiology and treatment of medial
canthal ulcerative blepharitis and uveodermatological syndrome in dogs. (10 marks)
Continued over page
Veterinary Ophthalmology Paper 2 Page 7 of 7
© 2016 The Australian and New Zealand College of Veterinary Scientists ABN 00 50 000894 208
6. Several types of Immune-Mediated Keratitis (IMMK) have been reported in horses.
Compare and contrast the clinical signs and the treatment options available for
endothelial keratitis and eosinophilic keratitis. (10 marks)
7. Answer all parts of this question:
a) List mechanisms of cellular destruction that occur following cryotherapy.
(4 marks)
b) List the different cryogens commonly used in veterinary ophthalmology and
their boiling points. (2 marks)
c) List the uses for cryotherapy in veterinary ophthalmology. (4 marks)
8. Discuss the diagnosis of uveitis in camelids, including in your answer the different
aetiologies of uveitis in these species and treatment options for this condition.
(10 marks)
9. With respect to canine optic neuritis:
a) List the causes of optic neuritis in dogs. (4 marks)
b) Briefly describe the clinical manifestations of optic neuritis in dogs.
(2 marks)
c) How would you investigate a case of optic neuritis in a dog? (2 marks)
d) Outline the treatment and prognosis for the various types of canine optic
neuritis. (2 marks)
10. Describe the pathophysiological changes that occur in each of the components of the
globe with glaucoma. (10 marks)

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