Chapter 1 Flashcards

1
Q

What confirms the diagnosis of anterior uveitis?

A

WBC’s in the anterior chamber

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2
Q

Uveitis is caused by the breakdown of…

A

The blood aqueous barrier (think tight junctions in 3 places…CB, Schelmm’s canal and iris vessels)

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3
Q

The tight junctions are where in the AC?

A

CB, iris vessels, Schelmm’s canal

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4
Q

What is posterior synechiae?

A

Iris sticking to lens

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5
Q

What is peripheral anterior synechiae?

A

Iris sticking to TM

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6
Q

What drug used for Uveitis?

A

Use Pred Forte steroid every hour or Durasol QID

to decrease fatness and stickiness of iris

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7
Q

What do you use to treat cystoid macula edema (cme)?

A

Pred Forte AND an NSAID

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8
Q

What are key differences b/w episcleritis and scleritis

A

Scleritis is more painful, bilateral, associated with systemic condition, bluish, gradual onset

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9
Q

What blanches episcleritis (to make dx that it is NOT scleritis)?

A

2.5% phenylephrine. If doesn’t work use 10%

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10
Q

To make a diagnosis of uveitis there must be _____ in the anterior chamber.

A

White blood cells

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11
Q

Keratic precipitates (KP’s) are the most common corneal finding in ________.

A

Uveitis

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12
Q

Stellate KP’s are observed in what 2 conditions?

A

Fuch’s heterochromic iridocyclitis (more common) and herpetic uveitis.

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13
Q

3 things to look for in Uveitis

A
  1. peripheral anterior synechiae (PAS) on TM
  2. Posterior synechiae (on lens)
  3. CME
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14
Q

Most common type of scleritis is

a. diffuse non-necrotizing
b. nodular non-necrotizing
c. necrotizing with inflammation
d. necrotizing without inflammation (scleromalacia perforans)

A

A.

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15
Q

Necrotizing scleritis without inflammation is also called:

A

Scleromalacia perforans (they have RA)

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16
Q

What auto-immune disease does a patient with sleromalacia perforans have?

A

RA

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17
Q

Granulomatous KP’s or mutton fat KP’s are…

A

macrophages

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18
Q

Most common type of Uveitis is non _______

A

granulomatous

19
Q

Most common cause of non-granulomatous uveitis

A

Idiopathic 50-70%

20
Q

Three other causes of non-granulomatous uveitis are:

A
  1. Ankyl. spon (back pain)
  2. RA (urination pain)
  3. inflammatory bowel disease
21
Q

Chronic granulomatous

A

Sarcoid, TB, syphilis (Arlt’s triangle is the botton triangular shaped area where they form. They are sticky and attach to the bad surface of the cornea)

22
Q

1 most common systemic disease associated with acute anterior uveitis

A

Ankylosing spondylitis

23
Q

1 symptom patient’s complain of in TB

A

night sweats

24
Q

Most common cause of posterior uveitis

A

Toxoplasmosis, unilateral, (vitritis)

25
Leading cause of scleritis
Arthritis (called scleromalacia perfoans)
26
If they show a photo of a granulomatous KP on the test...you would order what test for this patient?
Chest x-ray (suspect sarcoidosis or tb)
27
Anky spond order what test?
Sacroiliac x-ray
28
What do you Rx with uveitis?
Pred forte Q1hr and homatropine 5%BID (or Furezol QID instead of pred forte)
29
Scleritis tx
ORALS (not topicals due thinning) | Oral NSAID, Oral steroids (prednisone QD)
30
Do you give topical steroids to scleritis?
No due to corneal thinning
31
Mr. Fabry Whorl's his Chai-t
``` Fabry's disease cause whorl keratopathy and meds that cause whorl keratopathy: C hlorquine H ydroxycloroquine A mniodirone I ndometicine T imoxifin ```
32
Episcleritis with 3+ hyperemia treat with...
soft steroid like Lotemax and artificial tears
33
Do you Rx steroids for Addison's?
Yes you need to ADD steroids to Addisons. Cushing's disease has a "cushing of steroids"
34
Ocular albinism symptoms
photophobia, deafness,
35
Ocular albinism signs
transillumination of iris, foveal hypoplasia (under-developed fovea), deafness, nystagmus, strabismus, high myopia
36
Why do albinism patient's get nystagmus?
under-developed fovea is "searching" for objects
37
Were is melanin produced?
In a cell called melanocyte
38
What is inside the melanocyte that pumps out melanin cells?
melanosomes
39
What do you worry about happening in ectropian uveae
angle closure glaucoma
40
What drugs can cause the scleral to turn blue?
1. minocycline | 2. topical steroids, oral corticosteroids
41
Iritic =
Inflammation of iris = ant. uveitis
42
Iridocyclitis =
Inflammation of iris and CB
43
Ectropian uveae
eversion of the pigmented posterior epithelium of the iris at the pupillary margin. Worry about angle closure glaucoma