Fig. 17. Protective welding goggles or welding face shield devices against optical radiation hazards, such as gas welding, cutting, and torch brazing. A. ANSI Z87.1 recommended face shield (left) and equivalent AOSafety® face shield (right). B. ANSI Z87.1 recommended hand-held welding helmet (left) and equivalent Huntsman/Redman Company hand-held welding helmet (right). C. ANSI Z87.1 recommended welding helmet with stationary window (left) and equivalent Uvex Reflex 200 (right). D. ANSI Z87.1 recommended welding helmet with lift front (left) and equivalent Uvex Reflex 210 (right). Face shield shall be worn over primary eye protection and filter lenses meet shade designations of ANSI Z87. 1, Table 1. (ANSI types from American Society for Safety Engineers. American National Safety Standard Practice for Occupational and Educational Eye and Face Protection. Des Plaines, IL: American Society for Safety Engineers, 1998. C and D courtesy of Uvex Safety, Smithfield, RI. A courtesy of AOSafety® Company, Indianapolis, IN. B courtesy of Huntsman/Redman Company. From Blais BR. Basics of industrial ophthalmology. Ophthalmol Clin North Am 13:308–343, 2000.)