The nervus opticuses and optic canales of 29 patients to be diagnosed as traumatic optic neuropathy by clinical means were scaned using 2 mm axial scans with 2 spacing.

• 方法 :CT扫描时采用层厚 2 mm,层间距 2 m m,对临床诊断为外伤性视神经损伤的 2 9例病人进行视神经和视神经管扫描。