Nasolacrimal Flashcards

1
Q

Where does lipid come from

A

Meibomian glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does lipid do

A

covers aqueous layer and retards evaporation of the aqueous layer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Where does the aqueous layer come from

A

lacrimal glands and nictitating membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Where does mucin produced

A

Goblet cells in the conjuctiva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the purpose of mucin

A

fills irregularities of the corneal surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Purpose of nasolacrimal apparatus

A

secretory components

Drainage system for tears

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the secretory components of the nasolacrimal apparatus

A

Orbital lacrimal gland

Gland of TE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

7 functions of tear film

A
Smooth
Lubricate
Oxygen
Remove by products
White blood cells
Debris removal
Defense
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What does the Schirmer tear test evaluate

A

amount of tear fluid produced

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the normal range for Schirmer tear test

A

15-25mm/min

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

When should you perform Schirmer tear test

A

all cases of conjunctivitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How is the tear film break up test preformed

A

Fluorescen applied
Eyes blinked and held open
Tear film is observed under cobalt blue light until break in tear film is seen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is tear film breakup time test

A

Indicator of tear stability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Signs of conjunctivitis

A

Some degree of hyperemia , chemosis, discharge, and blepharospasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Classification of ocular discharge: early and mild

A

Serous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Classification of ocular discharge: chronic, thick KCS

A

Mucoid

17
Q

Classification of ocular discharge: bacterial

A

purulent

18
Q

What test should you always perform when you suspect conjunctivitis

A

STT

19
Q

What is the most common cause of conjunctivitis in the dog

A

secondary

20
Q

What is the most common cause of conjunctivitis in the cat

A

Infectious

21
Q

If a cat is young, stressed, and/or immunocompromised, what disease becomes more common

A

FHV-1

22
Q

What is Keratoconjunctival seca

A

quantitative tear deficiency

23
Q

If you saw eye boogers (infection) what disease would you suspect

A

KCS

24
Q

Clinical signs of KCS

A

mucoid, ropy tenacious discharge

25
Q

How do you diagnose KCS

A

Schirmer tear test

26
Q

Most common etiology for KCS in the dog

A

immune mediated

27
Q

Medical treatments for KCS

A

Stimulate tear production
lube
Control bacterial overproliferation
Decrease surface inflammation

28
Q

Two drugs used to increase tear production

A

Cyclosporine and Tacrolimus

29
Q

3 surgical therapies for KCS

A

Parotid duct transposition
Partial permanent tarsorrhaphy
Punctial occlusion

30
Q

Flow of tears onto the face as a result of decreased drainage of tears

A

Epiphora

31
Q

NLD obstruction can cause what three things

A

Epiphora
Mucoid discharge
Secondary conjunctivitis

32
Q

Medial-canthal pocket syndrome is caused by what

A

nasal fornix is large an dtraps debris leading to conjunctivitis

33
Q

If an animal has cherry eye, should you amputate the gland

A

no

34
Q

Where can neoplasia of the conjunctiva occur

A

bulbar and palpebral conjunctiva

Third eyelid