MDT EYE Uveitis/Iritis Flashcards
_______ is inflammation of the anterior segment of the uveal tract. Usually immunologic but possibly infective or neoplastic.
Iritis
What is the middle layer of the eyeball?
vascular tunic or uvea
Iritis is Classified as what according to the clinical signs…….
- acute or chronic
- nongranulomatous or granulomatous
The common types are
- acute nongranulomatous anterior,
- granulomatous anterior, and posterior
What are some infectious etiologies for Iritis?
Herpes virus, Cytomegalovirus, Toxoplasmosis, Syphilis, West Nile Virus
What are some Systemic inflammatory diseases that cause Iritis?
Spondyloarthritis,
Sarcoidosis,
SLE,
Multiple sclerosis
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)
Iritis
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)
!!!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
Differential Diagnosis for Iritis?
(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
What labs/studies would you do for a pt with iritis?
- Complete ocular examination
- Labs (if required) are targeted for suspected etiology (e.g. sarcoidosis, syphilis, and TB in at-risk patients)
Complications for Iritis
(1) Loss of vision
(2) Retinal necrosis