Eyeglasses; Eyewear accessories, namely, straps, neck cords and head straps which restrain eyewear from movement on a wearer; Filters for protective industrial respiratory masks; Filters for respiratory masks for the prevention of accident or injury; Lenses for welding helmets; Protective eyeglasses; Protective glasses; Protective head guards for industrial purposes; Safety eyewear; Welding goggles; Welding helmets; Welding masks; Workmen's protective face-shields