EE WAS CLOSING THE SERVICE CAGE DOOR AT THE SHAFT COLLAR WHEN THE TOP LATCH STRUCK THE HEADER KNOCKING SOME MATERIAL LOOSE FROM THE LEDGE ABOVE (SALT DUST/DIRT). THIS MATERIAL FELL ONTO HIS FA CE AND SLID INTO HIS LEFT EYE. HE IMMEDIATELY FLUSHED HIS LEFT EYE BUT STILL FELT PAIN, SO WE TOOK HIM TO HOSPITAL. THE PHYSICIAN DID NOT FIND ANYTHING BUT GAVE HIM PRESCRIPTIONS, WHICH HE TO