EMPLOYEE WAS HANGING A SAFETY GUARD BY THE FINISH MILLS WHEN HE KNOCKED SOME MATERIAL LOOSE. CEMENT DUST BECAME AIRBORNE AND BECAME EMBEDDED IN HIS LEFT EYE. EMPLOYEE WAS WEARING SAFETY GLASSE S W/SIDE SHIELDS AND A CLEAR FACE SHIELD ATTACHED TO HIS HARD HAT. EMPLOYEE FLUSHED EYE W/EYEWASH SOLUTION AND FINISHED HIS SHIFT. EYE STILL IRRITATED, EXAMINED BY DR. AND GIVEN ANTIBIOTICS.