EE WAS USING A WELDER AND PATCHING A HOLE IN THE RECLAIM DUST LINE AT PIER 4 WHEN HE GOT DUST IN HIS LEFT EYE. HE WAS WEARING SAFETY GLASSES ANDWELDING HOOD AT THE TIME(DUST MAY HAVE COLLECTED ON INSIDE OF WELDING HOOD BEFORE EE BROUGHT IT DOWN OVER HIS FACE). PHYSICIAN PRESCRIBED MEDICATION.