FOREIGN PARTICLE ENTERED EMPLOYEE'S LEFT EYE SOMETIME DURING THE DAY, POSSIBLY WHILE DRILLING ANCHOR HOLES INTO A CONCRETE WALL TO HANG PICTURES IN THE ADMINISTRATION BUILDING LOBBY. EYE START ED BOTHERING HIM THE EVENING OF 3/28/03. HE DID NOT SEE A PHYSICIAN UNTIL 4/1/03 AT WHICH TIME A CORNEAL ABRASION WAS NOTED AND PRESCRIPTION EYE DROPS WERE PRESCRIBED.