Central retinal artery occlusion

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Etiology

Retinal Embolism (20%)

Atherosclerotic changes

Angiospasm

Inflammatory Endarteritis


Epidemiology

Bilateral 1-2%

M>F


Symptoms

Painless, monocular loss of vision


DDx

Amaurosis fugax (painless, fleeting; nl exam)

CRVO (painless, over hours; blood and thunder)

Temporal Arteritis

Acute glaucoma (blurry vision, eye pain)


Exam

Pale retina with edema

Cherry red spot at the macula

APD

Boxcar segmentation of blood column


W/U

Fundoscopic exam

CBC, ESR, EKG


Treatment

1. Ocular massage

2. Anterior chamber paracentesis

3. Intraarterial fibrinolysis

4. Acetazolamide

5. Mannitol

6. Timolol

7. Steroids

8. Hyperbarics (most effective if within 2-12h of presentation)


Dispo

Admit: comorbid disease

D/C: f/u with ophtho in 1-4 weeks


Source

H-N