I've seen people weld blind. Some small welf ot just tacking something in palce you just place something between the arc and your eyes and go for it. You can make a long bead out of sereral short ones if you have to do it that way, might not be pretty but would hold to get you out of the woods.
You should ideally have a face mask and long sleeve clothes as well as the Uv rays will burn any exposed skin. The football player in my high school shop class that had one of those shirts with all the little holes in it to let air in gave himself a spotted tan.