Fig. 3From: Double or nothing: red flag symptoms of critical carotid stenosis, a case reportThe left ophthalmic artery blood supply was obtained through the anterior communicating artery of the circle of Willis and flow reversal of the left anterior cerebral artery. OA: opthalmic artery. AcoA: Anteior communicating artery. ACA: anterior cerebral artery. MAC: middle cerebral artery. PCA: posterior cerebral arteryBack to article page