Welding helmet

Welding helmets were protective masks used by welders. Hal Korwin and Dev Ashton used welding helmets to cover their eyes when possessed by Torajii. They lifted the eyepiece when they wished to kill a target. (TV: 42)

S11E6 (TV: Demons of Punjab) The Doctor wears a Steampunk looking Welding Helmet in first scene In TARDIS (@2.5min).