Fig. 19. Protective devices against optical radiation hazards, such as torch soldering. A. ANSI Z87.1 recommended spectacle with a lift front (left) and equivalent Uvex 9180 flip spectacle (right). B. ANSI Z87.1 recommended face shield (left) and equivalent AOSafety® face shield (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. A courtesy of Uvex Safety, Smithfield, RI. B courtesy of AOSafety® Company, Indianapolis, IN. From Blais BR. Basics of industrial ophthalmology. Ophthalmol Clin North Am 13:308–343, 2000.)