Just wondering what kind of eye protection I need when using a plasma cutter. I guess I need something dark enough to protect my eyes when looking directly at it, but not too dark that I can't see when not looking at the "fire", but only when dragging. Anyway, I bought a Lincoln welding goggle thing with a flip up lense. The tinted lens says "SFH-5 Z87.1-1989. CSA Z94.3 CE 95" if that means anything. Are these dark enough? Should I get something else? Thanks. It took a couple days for my eyes to straighten up after not using any tinted eye protection, so please help me, I don't wanna screw up anymore . Thanks.