视神经的血供虽来自颈内动脉分枝,但颈内、外动脉分枝间有许多吻合枝,包括手术性损伤在内的许多疾病有可能因血栓形成导致继发性视神经萎缩。这类因血循紊乱所导致的视神经萎缩在儿童非常罕见,文献上有因上颌骨及下甲手术后发病的个案报道。该文报道2例下甲术后视神经萎缩,主要特征是突盲或视力明显降低,象限后视野缺失,如系单眼发病常无症状,不能及时就诊,常延误治疗且治疗无 Although the blood supply of the optic nerve comes from the branches of the internal carotid artery, there are many anastomotic branches between the internal and external arterial branches. Many diseases including surgical injuries may cause secondary optic atrophy due to thrombosis. Optic nerve atrophy caused by blood disorders is very rare in children and there are reports of cases of morbidity following maxillary and sub-esophageal surgery in the literature. This article reports 2 cases of inferior optic nerve atrophy, the main feature is blind or visual acuity was significantly reduced, quadrant visual field is missing, such as monocular disease often asymptomatic, can not be treated, often delayed treatment and treatment of no