EE WAS DRIVING A BUSHING PIN INTO PLACE TO LOCK DOWN BELT STRUCTURE. THE SUPERVISOR WAS PASSING BY ABOUT 45' AWAY WHEN HE GOT A PIECE OF DIRT INHIS EYE. HE WORKED THE REST OF THE SHIFT AFTER F LUSHING EYE. HE THOUGHT HE GOT IT OUT BUT STILL HURT. WENT HOME & WOKE AT 3:30 A.M. WITH SEVERE EYE PAIN. AFTER BEING EXAMINED BY DOCTOR, WENT TO HOSPITAL TO HAVE SMALL PIECE OF STEEL REMOVED