Section 18 OPTICAL, PHOTOGRAPHIC, CINEMATOGRAPHIC, MEASURING, CHECKING, PRECISION , MEDICAL OR SURGICAL INSTRUMENTS AND APPARATUS; CLOCKS AND WATCHES; M USICAL INSTRUMENTS; PARTS AND ACCESSORIES THEREOF 90 Optical, photographic, cinematographic measuring, checking, precision, medical o 90 01 Optical fibres and optical fibre bundles; optical fibre cables other than those 90 01 10 90 01 10 00 Commodity Code Description 90 01 10 00 00 - Optical fibres, optical fibre bundles and cables 90 01 20 00 00 - Sheets and plates of polarising material 90 01 30 00 00 - Contact lenses 90 01 40 00 00 - Spectacle lenses of glass 90 01 50 00 00 - Spectacle lenses of other materials 90 01 90 00 00 - Other