Glasses for corrective spectacles, curved, bent, hollowed or the like, not optically worked
Tariff Classification
section 13
Articles of stone, plaster, cement, asbestos, mica or similar materials; ceramic products; glass and glassware
chapter 70
Glass and glassware
70.15
Clock or watch glasses and similar glasses, glasses for non-corrective or corrective spectacles, curved, bent, hollowed or the like, not optically worked; hollow glass spheres and their segments, for the manufacture of such glasses: