EE WAS GRINDING WELD ON THE SHOVEL BOOM. CONDITIONS WERE WINDY. APPARENTLY THE WIND BLEW A METALPARTICLE INTO EE'S LT. EYE. THE EE WAS WEARING HIS HOOD WITH SAFETY GLASSES. THE EE FELT IRRITAT ION IN THE EYE BUT FIRST THOUGHT HE MAY HAVE SUFFERED SOME WELDING FLASH BURN. HE DID NOT SEEK MEDICAL ATTENTION UNTIL 2 DAYS LATER WHEN THE EYE BECAME MORE IRRITATED & METAL DISCOVERED.