The Outcome of Endoscopic Transethmosphenoid Optic Canal Decompression for Indirect Traumatic Optic Neuropathy with No-Light-Perception

Table 1

Clinical characteristic of 96 NLP patients with ITON.

Characteristic	Case (n) (%)
Injury type
Fall	48 (50.0)
Car accident	36 (37.5)
Assault	11 (11.5)
Explosion	1 (1.0)
State of consciousness
Impairment	48 (50.0)
None	48 (50.0)
Orbital bone fracture
Yes	33 (34.4)
No	63 (65.6)
Hemorrhage within the postethmoid and/or sphenoid sinus
Yes	39 (40.6)
No	57 (59.4)
Optic canal fracture
On image scan	37 (38.5)
Found during surgery	58 (60.4)
None	38 (39.6)
Time to medical treatment
Within 3 days	33 (34.4)
3–7 days	21 (21.9)
After 7 days	42 (43.8)
Optic nerve
Atrophic optic nerve	20 (20.8)
Nonatrophic optic nerve	76 (79.2)