XVIII | | | | | optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof |
| 90 | | | | optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof |
| | 9001 | | | Optical fibres and optical fibre bundles; optical fibre cables (excl. made up of individually sheathed fibres of heading |
| | | 900110 | | Optical fibres, optical fibre bundles and cables (excl. made up of individually sheathed fibres of heading |
| | | | 90011010 | Image conductor cables of optical fibres (excl. cables made up of individually sheathed fibres of heading |
| | | | 90011090 | Optical fibres, optical fibre bundles and cables (excl. made up of individually sheathed fibres of heading |
| | | | 90012000 | Sheets and plates of polarising material |
| | | | 90013000 | Contact lenses |
| | | 900140 | | Spectacle lenses of glass |
| | | | 90014020 | Spectacle lenses of glass, not for the correction of vision |
| | | | 90014041 | Spectacle lenses of glass, both sides finished, for the correction of vision, single focal |
| | | | 90014049 | Spectacle lenses of glass, both sides finished, for the correction of vision, bi-focal or multi focal |
| | | | 90014080 | Spectacle lenses of glass (excl. both sides finished) |
| | | 900150 | | Spectacle lenses of materials other than glass |
| | | | 90015020 | Spectacle lenses of materials other than glass, not for the correction of vision |
| | | | 90015041 | Spectacle lenses of materials other than glass, both sides finished, for the correction of vision, single focal |
| | | | 90015049 | Spectacle lenses of materials other than glass, both sides finished, for the correction of vision (excl. bi-focal or multi focal) |
| | | | 90015080 | Spectacle lenses of materials (excl. glass), partly finished |
| | | | 90019000 | Lenses, prisms, mirrors and other optical elements, of any material, unmounted (excl. such elements of glass not optically worked, contact lenses and spectacle lenses) |