Test 2: lecture 26 3rd eyelid

Question 1

redness OD, 1 week
history: cataract 2 months ago, DM
dropping eye, enophthalmic
PRL: fixed and miotic OD, positive direct OS, indirect OD to OS

what is wrong?
how to test?

Answer 1

Horner’s- post ganglion not working- propably idiopathic

test with phenylephrine both eyes: mydriasis right eye 10 min, left eye 25 mins

Question 2

Answer 2

1. palpebral
2. fornix
3. anterior 3rd eyelid
4. posterior 3rd eyelid
5. bulbar

Question 3

where is lymphatic drainage of the conjunctiva

Answer 3

two layers
* adjacent to conjunctival blood vessels
* In deeper fibrous layer

Question 4

— cells in the conjunctiva make mucin

Answer 4

goblet cell

Question 5

Answer 5

Conjunctival hyperemia

Question 6

conjunctival hyperemia vs episcleral injection

Answer 6

conjunctival hyperemia: superficial disease- irritation of conjunctiva (conjunctivitis), moves with sclera when you move eye

episcleral injection: thicker deeper vascular, will stay still if you move eye, uvitis or glaucoma

Question 7

chemosis

Answer 7

conjunctival edema

Question 8

epiphora

Answer 8

tearing

Question 9

squinting from pain

Answer 9

blepharospasm

Question 10

Answer 10

subconjunctival hemorrhage

Causes of bleeding anywhere
* Trauma
* Septicemia
* Vasculitis
* Hypertension
* Coagulopathy

Question 11

Answer 11

lymphoid follicle formation

on palpebral surface of 3rd eyelid

Question 12

what side of the 3rd eyelid has lymphoid follicles

Answer 12

bulbar side (side closest to the eye)

Question 13

Gland of third eyelid:
produces — of
aqueous part of tear film

Answer 13

up to 50%

Question 14

conjunctivitis is dogs vs cats

Answer 14

cats: infectious, chlamydophila felis, herpes

dogs: not infectious: KCS, entropion, foreign body

Question 15

dog conjunctivitis is usually caused by

Answer 15

not infectious
Pannus, KCS, entropion, foreign body

Question 16

cat conjunctivitis is usually caused by

Answer 16

infectious
Chlamydophila felis, herpesvirus

Question 17

how to diagnosis conjunctivitis in cats

Answer 17

cytology

can use brush or biopsy after anesthetic

Question 18

4 infections that cause feline conjunctivitis

Answer 18

herpes
chlamydia
calicivirus
mycoplasma

Question 19

cat with chlamydia will present with

Answer 19

chemosis (edema of conjunctiva)
serous ocular discharge

Question 20

cat with herpes will present with

Answer 20

conjunctival hyperemia
serosanguineous, then mucopurulent disharge
malaise and anorexia

Question 21

chlamydia in cats presents with —
acute cases are —
chronic cases lead to —

Answer 21

chemosis, mild rhinitis, fever
self limiting 2-6 weeks
carrier state

Question 22

treatment for cat chlamydia

Answer 22

Oral doxycycline 10mg/kg PO q24 for 3 wks
Azithromycin less effective
+/- topical Terramycin(oxytetracycline), erythromycin

Question 23

feline — is a lifelong infection that flares with stress and presents as —

Answer 23

herpes

conjunctival hyperemia
ocular discharge
keratitis

Question 24

what are some viruses in dogs that can cause conjunctivitis

Answer 24

rare

herpes, adenovirus, distemper

Question 25

breeds that tend to get cherry eye

Answer 25

english bulldog
boston terrier
cocker spaniel

laxity or age related lymphoid hyperplasia leads to 3rd eyelid gland proplase

Question 25

two surgeries to repair cherry eye

Answer 25

morgan pocket
anchoring

Question 26

Answer 26

morgan pocket

way to fix cherry eye

Question 27

anchoring of cherry eye can be to the — or the —

Answer 27

periosteum of the ventral orbital rim

rectus muscle

Question 28

cancer of third eyelids are normally

Answer 28

malignant