EMPLOYEE WAS REPAIRING STEPS ON 992 LOADER USING A 4"" GRINDER. HE WAS WEARING SAFETY GOGGLES BUT SOME SMALL PIECES OF METAL HAD COLLECTED ON HIS CLOTHING & A SMALL PIECE OF METAL WAS BLOWN BY THE WIND INTO HIS RIGHT EYE. HE WAS TAKEN TO THE LOCAL E.R. & THE PIECE OF METAL WAS REMOVED. HE WAS GIVEN 2 PRESCRIPTIONS FOR OPTHALMIC MEDICATIONS. HE RETURNED TO WORK WITH NO RESTRICTIONS.