A patient describes a history of a "curtain being brought down over my right eye it stayed there for a few minutes then was lifted back up." In which of the following arteries is the etiology of this complaint located?
- anterior cerebral
- middle cerebral
- posterior cerebral
- internal carotid
- external carotid
Answer: D
Internal Carotid
This is amaurosis fugax....a form of "TIA" of the optic artery — it arises from the internal carotid - most common location for occlusion in TIA.
Know Your Content Blueprint
Retinal vascular occlusion is covered in the NCCPA™ EENT Content Blueprint (9%)
Review Topic: Retinal vascular occlusion