40 Shaping and molding of spectacle lenses and ophthalmic lenses; working, machining, sizing, cutting, drilling, grinding, edging, blanking, grooving, engraving, bevelling, counter bevelling, chamfering, surfacing, finishing, smoothing, polishing, fine reworking and stripping spectacle lenses and ophthalmic lenses; treatment and coating of spectacle lenses and ophthalmic lenses; shaping of spectacles