EYE SURGERIES Flashcards
clinical signs for eye surgeries
inflamma, hemorrhage, pain and discomfort
Pigments misplaced; produces too many melanocytes → benign growth (must be monitored) → neoplasia; glaucoma
feline iris melanosis
small bump in the eye caused by a blockage of a tiny oil gland
chalazion
instrumennt used for chalazion
desmares chalazion forceps
instrument used to open eyes
speculum
size of stay sutures in eyes
4-0 5-0
stay sutures prevent ___ reflex
bell’s reflex
if the lid retractor is not available, what is the alternative
??
stay sutures placed on the upper and lower eyelids are used instead.
paracentesis is more common in dogs than cats
false. cats
an accumulation of leukocytes in the anterior chamber due to severe intraocular inflammation
hypopyon
type of blade used in paracentesis oculu
11 bard-parker blade
3 handle caters what blade numbers?
10-12, 15
4 handle caters what blade numbers?
20-25
you can reintroduce the blade during paracentesis oculi
no.
direction of needle in paracentesis oculi
parallel to iris
advanatges of subconjunctival injection
good for poorly absorbed corticosteroids
inc penetration
less freq of admin
disadvantages of subconjunctival injection
local irritation
not removable
pain
difficult
2 types of layers suture in TLC
continuous 6-0 sa tarsoconjunctival suture - absorbable
interrupted 6-0 non-absorb
conjunctival flap indications
unresponsive corneal ulcers
corneal lacerations
deep descemetocoele
where to place suture to prevent bell reflex?
12 o clock
conjunctiva covers cornea and sclera
no. not cornea
Initial step in certain surgeries
Lateral tarsorrhaphy or permanent canthoplasty
TLC
where to suture in anchoring conjunctival flap
c to s at limbus 6-7 O
corne 7-9 ot
