EE WAS WELDING ON TAILGATE BRACKET ON TANDEM HAUL TRUCK ON 7-28. DURING THE LATE EVENING HRS. HIS LEFT EYE BEGAN BOTHERING HIM. WHEN HE CAME TO WORK ON 7-29, HE REPORTED THAT HE HAD APPRENTLY ""BURNED"" HIS EYE WHILE WELDING ON TRUCJK. HIS EYE CONTINUED TO BOTHER HIM & HE WENT TO HAVE IT CHECKED ON 8-4. THE DR. REMOVED A SMALL PIECE OF GRINDING FROM LEFT--FOEIRGN BODY CORNEA & CONJUN