it hurts his eyes to see it....thats wut it means....
AND...its a quote that Reineir Wolfcastle (sp) said on the Simpsons on the....Fallout Boy episode, when Radioactive man is tied up inside the Nuclear Power plant, and the Nuclear Waste is released...which burns the walls, and him. The scientists told everyone to put on the goggles...so that they wouldnt be hurt. He put them on, but he said "AHHH! My eyes! The goggles do nothing!
I AM 1337