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Uveitis Flashcards

1
Q

Inflammation behind the lens causing a haze is known as

A

posterior uveitis

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2
Q

Inflammation in front of the lens is known as…

A

anterior uveitis

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3
Q

Which is more common: anterior vs posterior uveitis?

A

anterior uveitis

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4
Q

The uveal tract consists of

A

the iris, the ciliary body, the choroid

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5
Q

Uveitis definition

A

inflammation of 1+ structures (iris, ciliary body, choroid)

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6
Q

Eye fxn is very intolerant to…

A

inflammation

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7
Q

Txt of uveitis must be

A

aggressive
high dosage
multiple routes

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8
Q

Clinical Signs of uveitis

A

Blepharospasm, Pain, Epiphora, Aqueous flare, inflammatory cells in the anterior chamber, hypopyon, conjunctivitis/episcleritis, corneal oedema, miosis, resistance to mydriatics, lowered IOP, anterior/posterior synechiae, swollen or dull iris appearance, increased pigmentation of the iris, vitreal haze, retinal oedema, aqueous lipid

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9
Q

Mydriasis definition

A

pupil dilation

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10
Q

What condition?

A

incomplete mydriasis

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11
Q

What condition?

A

iris pigment on anterior lens capsule

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12
Q

iris pigment on anterior lens capsule is common in

A

horses

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13
Q

iris pigment on the anterior lens capsule occurs when…

A

the pupil constricts, is sticky & tacky, stop inflammation, dilates, residual pigment is left behind

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14
Q

iris pigment on the anterior lens capsule is a clue to

A

previous uveitis

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15
Q

animals with iris pigment on the anterior lens capsule can have dz from what that can systemically cause uveitis?

A

Travel

i.e. leishmaniasis

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16
Q

Consequences of posterior synechiae

A
  • can get stuck
  • trigger upset in lens
  • secondary cataract could occur
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17
Q

What condition?

A

posterior synechiae

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18
Q

What condition?

A

Posterior synechiae leading to
Cataract-lens induced uveitis
where the pupil is stuck

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19
Q

What condition?

A

Iris bombe (iris is stuck to the lens)
* aqueous is produced, is unable to get out, and the iris bulges

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20
Q

Iris bombe can lead to…

A

a high chance of glaucoma or high IOP

21
Q

What condition?

A

Dull Iris Appearance (Left)
* secondary to cat viruses FIV, FeLV, FIP
* Eye demonstrating there is a systemic issue

22
Q

What condition?

A

lipid aqueous
* looks like corneal oedema but cornea is clear

23
Q

What condition?

A

Lipid aqueous

24
Q

What are the signs of mild uveitis?

A
  • conjunctivitis
  • minimal aqueous flare
  • +/- miosis
  • hypotony
25
How might you treat mild uveitis?
* 0.1% dexamethasone QID or 1.0% prednisolone QID
26
How do you decide if there is subtle unilateral uveitis?
* reduced IOP * poor mydriasis on applying a mydriatic
27
What are the signs of moderate uveitis?
* conjunctivitis * obvious aqueous flare * +/- miosis * hypotony
28
How might you treat moderate uveitis?
* topical corticosteroids (4-6x/d) * Add systemic prednisolone (orally) & atropine 1% drops
29
What is a common side effect of atropine drops?
dry eye
30
What are the clinical signs of severe uveitis?
* conjunctivitis * marked aqueous flare * miosis * hypopyon * Swollen iris
31
What condition?
Swollen iris
32
What condition?
Hypopyon
33
Severe uveitis needs control...
fast!
34
uveitis is...
painful!
35
What condition?
* Swollen iris
36
Further investigative techniques to determine causes of uveitis?
* urinalysis * serology * CBC * biochemistry * Radiographs * Ultrasound * aqueocentesis
37
What are some bacterial causes of uveitis?
lepto, brucella
38
What are some protozoal causes of uveitis?
* toxoplasma * leishmania * ehrlichia
39
What systemic dz can lead to uveitis?
* liver * kidney * uterine * GE
40
neoplasias that can cause uveitis
melanoma, lymphoma
41
metabolic conditions that can cause uveitis
diabetes mellitus
42
immune-mediated conditions that cause uveitis
* cataracts * lens trauma * uveodermatological syndrome * pigmentary uveitis * burmesse kittens * golden retriever uveitis * VKH * young animals w/ cataract formation
43
Parasitic causes of uveitis
toxocara (ocular larval migrans)
44
drugs that cause uveitis
Latanoprost
45
Conundrums of investigating uveitis
* cost of testing * o's ability to pay * chance of getting Dx * use local knowledge
46
how do you reduce pain of uveitis?
atropine, norocarp, metacam
47
What medication is used as a mydriatic/cycloplegic?
Atropine
48
What antibiotics can be used for idiopathic uveitis, ehrlichiosis, penetrating wounds?
Doxycycline
49
Cataract removal is done...
surgically

Senses (8 decks)

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