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