眼动脉系统中主要血管是背鼻动脉（也称为筛前动脉或眼动脉终末支），其从眶内侧发出，沿鼻骨前面向鼻尖方向走行。

• The main artery of the ophthalmic system is the dorsal nasal artery (also known as the anterior ethmoidal or terminal branch of the ophthalmic artery), which emerges from the medial orbit and courses over the anterior surface of the nasal bones toward the nasal tip.