An orbital arteriovenous malformation (AVM) may present with a number of clinical findings.


The most common finding is a periocular mass.


Findings seen in about half of patients:

(1) periocular swelling

(2) orbital bruit or vascular pulsations

(3) proptosis

(4) congestion and/or edema of episclera or conjunctiva


Additional findings:

(1) elevated intraocular pressure

(2) orbital pain

(3) decreased visual acuity

(4) restricted movement of extraocular muscles

(5) diplopia


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