05 - disorders of the conjuctiva

Question 1

1. what is the conjuctiva?

Answer 1

1. mucous membrane that lines inner eyelids, 3rd eyelid, and sclera before terminating at the limbus (corneoscleral jxn)

(limbus = boder or cornea and sclera)

Question 2

(fxns of conjuctiva)

1. protective covering
2. source of what portion of tear film?
3. contains lymphoid tissue

Answer 2

2. mucus (via goblet cells)

Question 3

(neonatal conjuctivitis)

1. infection before what occurs?
2. cause in pups?

in kits?

3. tx?

Answer 3

1. lid separation
2. bacteria

viral/chlamydial

3. separate lids, flush with saline, broad spec abx ointment 4x daily in dogs, tetracycline in cats

Question 4

(canine conjuctivitis)

1. how common is primary bacterial the cause?
2. what are 4 secondary causes?
3. what is a common viral cause?

Answer 4

1. rarely
2. lib abnormalities, infection spread, tear film abnormalities, irritants
3. canine distemper

Question 5

(feline conjuctivitis)

1. what is the most common cause?

Answer 5

1. feline herpes virus 1 (FHV-1)