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 03 Frames and mountings for spectacles, goggles or the like, and parts thereof. 90 03 11 90 03 11 00 Commodity Code Description 90 03 11 00 00 -- Of plastics 90 03 19 00 00 -- Of other materials 90 03 90 00 00 - Parts