Figure 1 .
(A) Asymmetric visual field loss of the inferior visual field (Humphrey 24-2) with an arcuate scotoma in the inferior hemifield. (B) Corresponding fluorescein angiogram with focal ischaemia of the optic disc temporally superior (AVP time of the affected temporal superior vessel: 2.17 seconds ; the less affected temporal inferior vessel formation: 1.67 seconds).