Section 18 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 90 03 Frames and mountings for spectacles, goggles or the like, and parts thereof. 90 03 11 Of plastics Commodity Code Description 90 03 11 00 Of plastics