In case of arc welding, one should protect his eyes by using

In case of arc welding, one should protect his eyes by using dark glass screen.

Welding goggles provide a degree of eye protection while some forms of welding and cutting are being done. They are intended to protect the eyes not only from the heat and optical radiation produced by the welding, such as the intense ultraviolet light produced by an electric arc, but also from sparks or debris.