Ophth - Rabbit Flashcards
What is the name for lacrimal sac infection in rabbits?
Dacryocystitis
What are 3 causes of dental disease in rabbits?
Nutritional hyperparathyroidism from selective feeding
Genetics - brachy
Dental overgrowth
What causes dacryocystitis?
Dental disease
Obstruction of the nasolacrimal duct
How do you treat dacryocystitis?
Systemic antibiotics
Oral NSAIDs
Flushing of nasolacrimal duct
What can cause cataracts in rabbits?
Encephalitazoon cuniculi - parasite that enters lens in utero
What can cataracts from encephalitazoon lead to in rabbits?
Lens capsule rupture
Reaction to foreign material causing phacoclastic uveitis
How do you treat encephalitazoon cuniculi in rabbits?
Phacoemulsification
NSAIDs
Fenbendazole - for uveitis
What can cause fibroma formation on the eyelids of rabbits?
Myxomatosis
What is the vector for myxomatosis?
Arthropods
What can cause exophthalmos in rabbits?
Retrobulbar abscessation from teeth infection
Mediastinal(chest) mass
How do a mediastinal mass cause exophthalmos?
Mass increases pressure on jugular and reduces drainage
Increased orbital venous sinus pressure -behind eye
What gland causes ‘bleeding eyes’ in rodents?
Harderian gland
What does the harderian gland produce?
Porphyrin
What causes porphyrin release in rodents?
Irritation
Respiratory disease
Stress
What can cause ulcerative keratitis in rodents?
Trauma
Foreign body - hay seed
What can cause cataracts in rodents?
Diabetic cataracts
Retinal degeneration
What species of rodent get cataracts the most?
Rats
Cavies
What is heterotopic bone formation?
A scalloped ring of calcification in the anterior uvea
What species gets heterotopic bone formation?
Guinea pigs
What is the treatment for heterotopic bone formation?
None required
