EMPLOYEE WAS ON A PLATFORM PUNCHING OUT THE CLAY HOPPER WHICH HAD GOTTEN CLOGGED WITH WET CLAY. ANOTHER EMPLOYEE ON THE GROUND TOSSED UP A LUMP OF CLAY TO GET HIS ATTENTION. THE LUMP OF CLAY S TRUCK HIS LEFT EYE. HE RINSED HIS EYE WITH WATER AND COMPLETED HIS SHIFT. HE DID NOT TELL HIS SUPERVISOR. THE EYE BECAME MORE IRRITATED OVER THE WEEKEND. HE SAW A DOCTOR ON 9/15.