Fig. 20. Protective devices against glare hazards, such as bright visible and ultraviolet sources. A. ANSI Z87.1 recommended spectacle with no side shield (left) and equivalent Titmus frame (right). B. ANSI Z87.1 recommended spectacle with half side shield (left) and equivalent Uvex Skyper spectacles (right). (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 Titmus Optical, Petersburg, VA. B courtesy of Uvex Safety, Smithfield, RI. From Blais BR. Basics of industrial ophthalmology. Ophthalmol Clin North Am 13:308–343, 2000.)