DURING A SHUTDOWN EE WAS ASSISTING ANOTHER EE WITH MAINTENANCE/REPAIR TO THE UNIT II KILN COAL/COKE MILL AND THIS INCLUDED USE OF A CUTTING TORCH IN A TIGHT PLACE. WIND GUST BLEW SLAG BACK TOWARD EE FACE, WE WASHED THE EYE OUT ABOUT FOUR TIMES, LOOKED CLEAR.EE CONTINUED WORKING. WENT TO DOCTOR, REMOVED FRAGMENTS FROM UNDER THE EYE, NO ADDITIONAL PROBLEMS.