MDT EYE Uveitis/Iritis Flashcards

1
Q

_______ is inflammation of the anterior segment of the uveal tract. Usually immunologic but possibly infective or neoplastic.

A

Iritis

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2
Q

What is the middle layer of the eyeball?

A

vascular tunic or uvea

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3
Q

Iritis is Classified as what according to the clinical signs…….

A
  • acute or chronic

- nongranulomatous or granulomatous

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4
Q

The common types are

A
  • acute nongranulomatous anterior,

- granulomatous anterior, and posterior

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5
Q

What are some infectious etiologies for Iritis?

A
Herpes virus, 
Cytomegalovirus, 
Toxoplasmosis, 
Syphilis, 
West Nile Virus
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6
Q

What are some Systemic inflammatory diseases that cause Iritis?

A

Spondyloarthritis,
Sarcoidosis,
SLE,
Multiple sclerosis

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7
Q

PT has these issues what would you suspect?
Signs:
-Inflammatory cells and flare within the aqueous (WBC released from vessels appear as snowflakes)
-Blurred vision in a mildly painful and mildly inflamed eye
-Hypopyon (WBC pool) and fibrin within the anterior chamber.
-Keratic precipitates (KPs) (cells seen on the corneal endothelium)

A

Iritis

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8
Q

PT has these issues what Meds would you give?
Signs:
-Inflammatory cells and flare within the aqueous (WBC released from vessels appear as snowflakes)
-Blurred vision in a mildly painful and mildly inflamed eye
-Hypopyon (WBC pool) and fibrin within the anterior chamber.
-Keratic precipitates (KPs) (cells seen on the corneal endothelium)

A

!!!Only to be initiated by or under the direction of Ophthalmologist!!!
Cycloplegic (for pain and inflammation)
1) Mild to moderate: Cyclopentolate 1% t.i.d.
2) Severe: Atropine 1% b.i.d. to q.i.d.
(b) Topical steroid
1) Prednisolone acetate 1% q1-6h

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9
Q

Differential Diagnosis for Iritis?

A

(1) Keratitis
(2) Conjunctivitis
(3) Hypopyon due to bacterial keratitis
(a) Leukocytes in anterior chamber are a characteristic of anterior uveitis
(b) Hypopyon is differentiated from uveitis by slit lamp
(4) Intraocular tumors

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10
Q

What labs/studies would you do for a pt with iritis?

A
  • Complete ocular examination

- Labs (if required) are targeted for suspected etiology (e.g. sarcoidosis, syphilis, and TB in at-risk patients)

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11
Q

Complications for Iritis

A

(1) Loss of vision

(2) Retinal necrosis

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