Optical fibres and optical fibre bundles; optical fibre cables other than those of heading 8544; sheets and plates of polarising material; lenses (including contact lenses), prisms, mirrors and other optical elements, of any material, unmounted, other than such elements of glass not optically worked
Contact lenses
Optical fibres, optical fibre bundles and cables (excl. made up of individually sheathed fibres of heading 8544)
Lenses, prisms, mirrors and other optical elements, of any material, unmounted (excl. such elements of glass not optically worked, contact lenses and spectacle lenses)