随着交通事故和劳动伤害的增加,头部外伤的发生率出现增长的趋势。在头部外伤的病例中,约3～10%出现轻重不同的视觉障碍。在头部外伤所致的视觉障碍中,有些是及早处理则能改善视力但由于被颅脑外伤及影响生命的症状掩盖而得不到应有的冶疗。视神经管开放减压术的目的在于除掉压迫视神经的因素,恢复其视觉功能。现对其意义仍有否认的看法,但陆续见到手术成 With the increase of traffic accidents and labor injuries, the incidence of head trauma tends to increase. In the case of head trauma, about 3 to 10% of the visual acuity of different severity. Among the visual disturbances caused by traumatic head injury, some of them can improve visual acuity as early as possible, but they can not get proper treatment because they are covered by traumatic brain injury and life-affecting symptoms. The purpose of open decompression of the optic canal is to remove the ophthalmic nerve and restore its visual function. Now the meaning is still denied view, but one after another to see surgery