Transsphenoidal Optic Canal Decompression for Traumatic Optic Neuropathy Assisted by a Computed Tomography Image Postprocessing Technique

Table 1

Clinical features of 22 patients with traumatic optic neuropathy.

Characteristic	Cases
Injury part
Bow	7 (31.8%)
Zygoma	8 (36.3%)
Head	7 (31.8%)
State of conscience
Yes	11 (50%)
No	11 (50%)
Optic canal fracture
Yes	5 (22.7%)
No	17 (77.3)
Skull base fracture
Yes	9 (40.9%)
No	13 (59.1%)
Light reflex
Dull	11 (50%)
Lost	11 (50%)
Eyesight
NLP	9 (40.9%)
LP	4 (18.2%)
HM	5 (22.7%)
CF	3 (13.6%)
<0.1	1 (4.5%)
Time from injury to surgery
3–7 day	1 (4.5%)
After 7 days	21 (95.5)
Type of injury
Automobile accident	6 (27.3%)
Blast	3 (13.6%)
Fall	8 (36.3%)
Assault	5 (22.7%)