Ключевые слова:
Surface treatment, Ophthalmic equipment, Spectacles (eyeglasses), Marking, Tolerances (measurement), Lenses, Tolerances of position, Visual inspection (testing), Ophthalmology, Spectacle lenses, Optical phenomena, Optical measurement, Circular shape, Bevelled, Optics, Focal length, Prisms (optical), Angular tolerances, Dimensional tolerances, Fitting