[Scientific, nautical, surveying, photographic, cinematographic,] optical, [weighing,] measuring, [signalling,] checking, supervision, [life-saving and teaching apparatus and instruments, namely,] ophthalmological and optical instruments and apparatus [in the nature of ophthalmic lenses, optical lenses, optical scanners and optical sensors]; apparatus for recording [, transmission or reproduction of sound or images; pre-recorded magnetic data carriers featuring medical procedure instruction; ...