9
Optical glass; Optical glasses; Correcting lenses [optics]; Optical glass filters; Optical lens blanks; Glass ophthalmic lenses; Spectacles; Magnifying glasses [optics]; Apertometers [optics]; Binoculars; Mirrors [optics]; Objectives [lenses] [optics]; Prisms [optics]; Optical lenses; Lens blanks; Optical viewing screens; Plastic lenses; Prisms for optics purposes; Laboratory optical apparatus; Filters for optical devices; Optical filters for screens; Optical data links; Optical measurement apparatus; Optical measuring components; Optical apparatus and instruments; Shooting glasses [optical]; Optical devices, enhancers and correctors; Anti-glare glasses; 3D spectacles; Dustproof glasses; Goggles; Sunglasses; Corrective eyewear; Zenith telescopes; Smartglasses; Magnifying eyeglasses; Camera goggles; Polarizing spectacles; Prescription eyewear; Eyewear pouches; Nose pads for eyewear; Parts for spectacles; Alidades; Telescopes; Spectacle lenses; Spectacle chains; Children's eye glasses; Spectacle temples; Telescopic sights; Diving goggles; Spectacle frames; Covers for glasses; Swim goggles; Welding goggles; Motorcycle goggles; Goggles for sports; Surveyors' levels; Spectacle straps; Eyeglass shields; Snow goggles; Instruments containing eyepieces; Spectacle holders; Cyclists' glasses; Glacier eyeglasses; Make up goggles; Prescription eyeglasses; Virtual reality glasses; Spectacle nose pads; Fashion eyeglasses; Cases for children's eye glasses; Anti-fogging safety goggles; Sunglass cords
40
Optical glass grinding; Optical lens grinding; Treatment of glass to alter the optical properties; Custom manufacture of ophthalmic lenses for eyeglasses; Coating of optical lenses; Treatment of optical components to alter the optical properties; Grinding and polishing glass for eyeglasses; Grinding of lenses; Grinding; Glass polishing; Surface polishing