Anterior Uvea 1&2

Question 1

Uveitis (1)

Answer 1

Inflammation to any aspect of the uveal tract

Question 2

Anterior uveitis

Answer 2

Iris + ciliary body

Question 3

Posterior uveitis

Answer 3

choroid

Question 4

Panuveitis

Answer 4

all three portions

Question 5

Ocular signs of uveitis (12)

Answer 5

1) blepharospasm
2) episcleral injection
3) ciliary flush
4) corneal edema
5) miosis
6) synechiae
7) aqueous flare
8) hyphema
9) hypopyon
10) keratic precipitates
11) rubiosis iridis
12) hypotony

Question 6

Episcleral injection

Answer 6

1) congestion of the vessels
2) large in diameter
3) do not branch off in different directions

Question 7

Ciliary flush

Answer 7

1) 360 degree corneal vascularization
2) red appearance all around the limbus
3) vessels deep to the cornea
4) brush like appearance to vessels
5) sign of intraocular disease

Question 8

Corneal Edema

Answer 8

1) fluid build up within stromal layer
2) blue appearance to cornea

Question 9

Miosis

Answer 9

1) pupillary constriction
2) ciliary muscles are cramping

Question 10

Synechiae

Answer 10

1) adherence of the iris to cornea (anterior) or lens (posterior)
2) posterior is most common in uveitis
3) Iris will not dilate appropriately

Question 11

Aqueous flare

Answer 11

1) release of protein into the aqueous breakdown of the blood aqueous barrier
2) like headlight on fog

Question 12

Lipemic aqueous

Answer 12

1) unique manifestation of uveitis
2) lipid in eye

Question 13

Keratic precipitates (KPs)

Answer 13

1) accumulation of inflammatory cells that adhere to the corneal endothelium (inner layer)
2) common in cats

Question 14

Hypopyon

Answer 14

1) accumulation of inflammatory cells in the anterior chamber
2) purulent accumulation

Question 15

Hyphema

Answer 15

1) accumulation of blood in the eye

Question 16

Rubeosis iridis

Answer 16

1) Red iris
2) vessels of the iris are congested

Question 17

Hypotony

Answer 17

1) low intraocular pressure
2) prostaglandins working on ciliary processes they will not work as they should and will result in a decrease in aqueous production

Question 18

Complications of uveitis

Answer 18

1) synechia
2) glaucoma
3) iris bombe
4) cataract
5) lens instability (prostaglandins act on zonules
6) retinal detachment
7) phthisis bulbi

Question 19

How does uveitis cause glaucoma?

Answer 19

1) obstruction of the angle by inflammatory debris
2) pre-iridal fibrovascular membrane
3) iris bombe + peripheral anterior synechia

Question 20

Causes of primary uveitis

Answer 20

1) cataract
2) lens rupture
3) corneal ulcer

Question 21

Causes of uveitis

Answer 21

1) primary ocular disease
2) idiopathic after diagnostics
3) trauma
4) ocular manifestation of systemic disease

Question 22

Lens induced uveitis

Answer 22

1) phacolytic uveitis
2) phacoclastic uveitis

Question 23

Phacolytic uveitis

Answer 23

1) soluble lens protein leaks through an intact lens capsule
2) cataract

Question 24

Phacoclastic uveitis

Answer 24

1) sudden exposure of intact lens proteins
2) leans capsule tear—trauma

Question 25

Causes of uveitis in dogs

Answer 25

1) infectious
2) lens induced uveitis
3) reflex uveitis (corneal/scleral disease)
4) metabolic (hyperlipidemia)
5) breed specific (pigmentary uveitis)

Question 26

Causes of uveitis in cats

Answer 26

1) infectous
2) metabolic (systemic hypertenstion)
3) neoplastic (lymphoma)

Question 27

Causes of uveitis in horses

Answer 27

1) trauma
2) reflex uveitis (stromal abscess)
3) ERU
4) systemic disease

Question 28

Equine Recurrence Uveitis (ERU)

Answer 28

1) most common cause of blindness and uveitis
2) 3 classification
3) breed predisposition

Question 29

Classification of ERU (3)

Answer 29

1) classic (active bouts w/ quite period between)
2) insidious (on going low grade)
3) posterior

Question 30

Uveitis diagnosis

Answer 30

1) history
2) PE
3) Ophthalmic exam
4) minimum data base (CBC, Chem, UA)
5) Initial serology
6) radiographs
7) ocular ultrasound: ONLY if you cannot see past the iris & lens

Question 31

Treatment goals of uveitis

Answer 31

1) prevent sequalae
2) eliminate intraocular inflammation
3) stabilize and restore blood- aqueous barrier
4) treat underlying cause when possible