颅脑外伤约有2%的病人发生视神经损害,大多数是因眼眶上部的创伤而间接引起.Berlin认为视神经的损害是由于视神经管骨折所致,X线照片检查,常可见颅骨眶上部骨折线伸向视神经管.嗣后,许多作者支持视神经损害直接与视神经管骨折有关的论点,故在日本主张早期手术治疗,然而,手术结果和视力恢复都未达到预期的效果.Sano报告 About 2% of traumatic brain injury in patients with optic nerve damage, most of them are caused by trauma to the orbital indirectly caused by Berlin that optic nerve damage is due to optic canal fracture, X-ray examination, often visible skull fracture line above the skull Afterward, many authors support the argument that optic nerve damage is directly related to optic canal fracture and therefore advocate early surgical treatment in Japan, however, neither the surgical outcome nor visual acuity have achieved the expected results.Sano report