Opthalmic

Question 1

why should lubrication gel be used before clipping

Answer 1

prevents haird entering conjunctival sac

Question 2

what should be used to scrub the area

Answer 2

1:50 (0.2%) iodine/saline solution

alternate with sterile saline

avoid scrub - irritates cornea

Question 3

name the instrument

Answer 3

Barraquer eyelid apeculum

used to keep eye open

Question 4

name the instrument

Answer 4

Jaeger eyelid plate

protects globe, flattens lid

Question 5

name the instrument

Answer 5

bishop-harmon forceps

pointed to grasp conjunctival tissue

Question 6

name the instrument (indicated by red arrow)

Answer 6

derf needle holder

small suture/needle needs smaller holder

Question 7

name the instrument

Answer 7

stevens tenotomy scissors

used for optho only - needs to be very sharp and pointed; used to resect and cut skin

Question 8

what can be used to establish hemostasis

Answer 8

direct pressure with cotton tipped applicator

wedge shaped cellulose sponges

4 x 4 sponges

hand held cautery

phenylephrine

1:10,000 epinepthrine

Question 9

common surgical disease of eyelids

Answer 9

eyelid lacerations

eyelid tumors

eyelid agenesis

entropion

ectropion

Question 10

how many layers should be closed in eyelid lacerations

Answer 10

2

• deep layer - bites perpendicular to eyelid, avoid conjunctiva; simple continuous*
• skin - figure 8; places knot away from cornea*

Question 11

if an eyelid mass on a dog is ________ of the eyelid margin, treat it like a ___________

Answer 11

if an eyelid mass on a dog is <1/3 of the eyelid margin, treat it like a laceration

Question 12

eyelid reconstruction techniques

Answer 12

single pedicle advancement flap

lid to lid flap

semicircular flap

Question 13

T/F most canine eyelid tumors are benign

Answer 13

True - 73% are benign

Question 14

what technique is used to remove eyelid tumors

Answer 14

H-shaped resection

allows less lid margin resection

Question 15

what is the most common feline eyelid tumor

Answer 15

squamous cell carcinoma

Px guarded

Question 16

when should surgery be perfomed with eyelid agenesis

Answer 16

> 4 months

want to have mature facial folds sp not continuously repeating Sx

Question 17

T/F eyelid agenesis is primarily seen in felines and small defects can be treated medically

Answer 17

true

Question 18

what procedure is used to surgically correct eyelid agensis

Answer 18

Dziezye Millichamp Mucocutaneous Pedicle Graft

Question 19

surgical options for correcting entropion

Answer 19

eyelid tacking

hotz celsus

modified hotz celsus

arrowhead resection

Question 20

when is eyelid tacking used to correct entropion

Answer 20

pateint not reached facial maturity

leave for 4 weeks or until age for Sx

Question 21

which procedure is seen here

Answer 21

Hotz Celsus - Incision Method

Question 22

when is the arrowhead resection used

Answer 22

concurrent upper and lower lateral canthal entropion

Question 23

Surgical techniques to treat ectropion

Answer 23

wedge resection

V-Y blepharoplasty

Question 24

diseases of the nasal lacrimal system

Answer 24

punctal aplasia

micropunctum

trauma and scaring

KCS (medical management)

Question 25

surgical diseases of nictating membrane

Answer 25

everting nictating membrane

prolapsed nictating membrane (cherry eye)

neoplasia

Question 26

surgical options for correcting cherry eye

Answer 26

excision of nictitating membrane

orbital rim anchoring techniques

pocket techniques

Question 27

why is excision of nictitating membrane not recommended

Answer 27

important for tear production

can lead to KCS

Question 28

most common neoplasm of nictitating membrane

Answer 28

SCC

others include: hemangiosarcoma, adenocarcinoma, fibrosarcoma

Question 29

indications for enucleation

Answer 29

painful non visual eye

neoplasia and non responsive infections

Question 30

surgical enucleation techniques

Answer 30

subconjunctival approach

transpalpebral approach

Question 31

when to enucleate with traumatic proptosis

Answer 31

2 or more rectus muscles avulsed

globe is ruptured

Question 32

________ regain vision after reduction of traumatic proptosis

Answer 32

20% regain vision after reduction of traumatic proptosis

more for cosmetic purposes

Question 33

what is the name of the procedure used to reduce prolapsed eye

Answer 33

temporary tarsorrhaphy

Question 34

indications for temporary tarsorrhaphy

Answer 34

lid reconstruction

entropion/ectropion correction

laceration

mass removals

proptosis