Fig. 11. Comparing generic types of protective eyewear from the American National Safety Institute (ANSI) Z87.1 with current safety equipment devices. Eyewear that is used when in an environment with impact hazards (sources include chipping, grinding, machining, masonry work, woodworking, sawing, drilling, chiseling, powered fastening, riveting, and sanding). These devices provide protection from flying fragments, objects, large chips, particles, sand, dirt, and other flying debris. A. ANSI Z87.1 recommended cup goggle with direct ventilation. B. ANSI Z87.1 recommended cup goggle with indirect ventilation. C. ANSI Z87.1 recommended spectacle with temple headband (left) and equivalent Uvex Spoggle (right). D. ANSI Z87.1 recommended face shield (left) and equivalent AOSafety® face shield (center) or the Space Face Shield equivalent face shield combined with indirect-ventilation goggles (right) for use over primary eye safety device for severe exposure. (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. D courtesy of AOSafety® Company, Indianapolis, IN and Space Face Shield, Inc., Caldwell, TX [Phone 409-567-3795; www.spacefaceshield.com]. From Blais BR. Basics of industrial ophthalmology. Ophthalmol Clin North Am 13:308–343, 2000.)