results fibrous dysplasia of skull in children most often involved the frontal, sphenoid, and ethmoid bones and resulted in stenosis of optic canal and superior optic fissure.

结果颅骨纤维异常增生常侵犯额骨、蝶骨体、颧弓、蝶骨大翼和小翼及筛骨，并导致视神经管和眶上、下裂狭窄。

methods:the optic canal decompression was performed within 1 month of optic nerve contusion, except serious cerebral injure and serious system diseases.

方法：手术治疗限定于外伤后不超过1月且无严重颅脑损伤及无严重全身疾病者。

conclusions: during the inferior wall of optic canal was incised, the ophthalmic artery should be protected.

结论：视神经管下壁切除时应注意保护眼动脉。

the experience of dealing with 130 cases of optic canal fracture, diagnosed on the bases of ct scans, was reported.

本文报告应用ct扫描诊断的130例视神经管骨折病人的治疗经验。

objective: to establish the measurement method of the normal orbital and optic canal by ct scanned, and to explore the clinical value of the orbital volume and its regressive equation.

目的：建立正常人眼眶及视神经管骨性径线ct测量的方法，探讨ct测量眼眶容积及其回归方程的临床意义。

objective:to investigate the accuracy and clinical application of multi-slice spiral ct imaging on optic canal area.

目的：验证多层螺旋ct三维成像的真实性与临床应用价值。

conclusion: the transnasal endoscopic sphenoidal technique for optic decompression have advantages of simple and minitraumatic approach, that is one of favorable of optic canal decompression.

结论：经鼻内镜视神经管减压术损伤小，并发癥少，手术时间短，为治疗视神经损伤的较好方法。

methods within 1 month from the traumatic accident, patients with optic nerve contusion were given optic canal depression if they did not have serious brain damage or systematic diseases.

方法手术治疗限定于外伤后1月内，并且无严重颅脑损伤、无严重全身病患者。

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。

objective to assess the diagnostic value of optic canal fracture with high resolution ct(hrct) scan technology.

目的探讨螺旋ct、高分辨率重建ct（hrct）检查对视神经管骨折的诊断意义。

conclusion hrct scan technology can improve detectable rate of optic canal fracture perfectly.

结论hrct检查可显着地提高对视神经管骨折的检出率。

methods analyzing the treatment and nursing of 15 patients (16 eyes) after the transnasal endoscopic surgery with optic canal decompression.

方法分析15例（16眼）鼻内镜下视神经管减压术患者的治疗及护理经验。

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。

aim: to summarize the effect of different operative time selections of optic canal decompression.

目的：总结不同手术时机对视神经管减压术疗效的影响。

objective:in order to provide anatomic data for operation of ethmoidal sinus and optic canal decompression.

目的：研究筛动脉的走行规律及局部位置关系，为筛窦手术和视神经管减压术提供参考。

objective to explore the time limiting and therapeutic efficacy of high-dose intravenous methylprednisolone and combining with optic canal decompression in treatment of traumatic optic neuropathy .

目的探讨大剂量甲泼尼龙沖击疗法和联合视神经骨管减压治疗外伤性视神经病变的疗效和时机。

the optic canal protrudes into ethmoidal and sphenoid sinuses.

内侧壁向筛窦、蝶窦内突入形成视神经管隆凸。

optic canal ct and vep were an effective prognosis indicator in traumatic optic neuropathy.

结论 伤后视力无光感、昏迷、视神经管骨折是影响视神经损害预后的危险因素。

results 5 cases double optic canal fracture, 7 case single optic canal fracture, 3 cases not found any fracture sign.

结果有5例为双侧视神经管骨折，7例为单侧视神经管骨折，3例未发现骨折。

objective:to investigate the microsurgery anatomy of optic canal and provide detailed anatomical data for optic canal decompression.

目的：研究视神经管的显微外科解剖，为视神经管减压术提供解剖学依据。