[Ischemic optic neuropathy in the multiple trauma victim].

Ischemic optic neuropathy is an uncommon of blindness in the critically ill patient that occurs especially in multiple trauma victims with no direct injury of the eyeball. We present the case of a young male patient with total bilateral blindness after profound hemorrhagic shock secondary to thoracoabdominal non-penetrating traumatism caused by crushing. A search of the literature was conducted, identifying prolonged arterial hypotension and sudden drop in hematocrit value as the most important risk factors.