The group B, 12 cases, was that with fracture of optic nerve canal and visual disfunction. The decompression of optic nerve canal was performed.
组共12例为视神经管骨折，术前患者有不同程度的视力障碍，行视神经管减压。
Following the initial insult optic nerve swelling within the optic nerve canal or compression by bone fragments are thought to result in secondary retinal ganglion cell loss.
一般认为受伤时视神经管内视神经肿胀或骨碎片压迫视神经，会引起续发性的网膜神经节细胞丧失。
Objective: To explore the endoscopic surgical anatomy of optic canal and establish an anatomic basis for endoscopic optic nerve decompression.
目的：为内窥镜下经鼻蝶入路进行视神经管减压的手术方法建立解剖学基础。
Aim to evaluate the effect of optic canal depression in treatment of optic nerve contusion and to find out the effect-related factors.
目的评价视神经管减压术治疗视神经挫伤的疗效和影响疗效的因素。
In optic canal, ophthalmic artery went into optic nerve sheath, its branches passed through inferior part of optic nerve.
眼动脉在视神经管内穿行于视神经的硬膜鞘壁内，其分支多行于视神经的腹侧。
Methods Retrospective analysis of 231 patients with transcranial decompression of optic canal for optic nerve injury.
方法回顾性总结分析231例经颅视神经减压手术治疗外伤性视神经损伤患者的临床资料。
It would be safe to incise the superior lateral wall of intra canal optic sheath in the decompression of optic nerve.
视神经减压术管内鞘切开部位宜选择在鞘的外、上壁交界外。
It would be safe to incise the superior lateral wall of intra canal optic sheath in the decompression of optic nerve.
视神经减压术管内鞘切开部位宜选择在鞘的外、上壁交界外。
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