SURE-GUARD

OPHTHALMIC MOUNTINGS AND PARTS THEREFOR ADAPTED TO SUPPORT AND HOLD OPHTHALMIC OR PROTECTIVE LENSES BEFORE THE EYE, GOGGLES, FACE SHIELDS, WELDING SHIELDS AND HELMETS, EYE PROTECTORS FOR PROTECTING THE EYE FROM GLARE, DUST, SPLASH AND FLYING PARTICLES, LENSES AND LENS BLANKS THEREFOR, AND INSTRUMENTS FOR TESTING VISION AND HEARING