Uncoated Glass Spectacle Lenses
These are basic plano-convex or concave glass lenses made from optical crown glass, unmounted and designed specifically for use in prescription eyeglasses to correct refractive errors like myopia or hyperopia. They fall under HTS 9001.40.00.00 as spectacle lenses of glass that are optically worked but not mounted in frames. The lenses are produced through grinding and polishing processes to achieve precise curvature and surface quality for vision correction.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made of plastic or polycarbonate material
Spectacle lenses of materials other than glass, such as CR-39 or polycarbonate, are classified separately under subheading 9001.50.
If already mounted in frames
Once assembled into complete eyeglasses or sunglasses, they become classified as frames and spectacles under heading 9004.
If not optically worked or not specifically for spectacles
Unworked glass sheets or lenses not precisely ground for vision correction fall under Chapter 70 as common glass articles.
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Import Tips & Compliance
• Obtain FDA establishment registration and device listing for ophthalmic products, as spectacle lenses are Class 1 medical devices
• Provide certificates of optical quality and material composition to verify glass content and avoid misclassification as plastic lenses
• Declare exact diopter power and base curve on commercial invoice to prevent reclassification during customs examination
Related Products under HTS 9001.40.00.00
Anti-Reflective Coated Glass Lenses
High-index glass spectacle lenses featuring a multi-layer anti-reflective coating to minimize glare and improve light transmission for better night vision and aesthetics. These unmounted lenses are optically worked from borosilicate glass and intended exclusively for eyeglass frames. HTS 9001.40.00.00 covers all glass spectacle lenses regardless of optical coatings, distinguishing them from unworked glass.
Photochromic Transition Glass Spectacle Lenses
Glass spectacle lenses that darken automatically when exposed to UV light, made from specially formulated photochromic glass like Corning Photogray, unmounted and ground to prescription specifications. They qualify under HTS 9001.40.00.00 as their primary function remains vision correction despite light-adaptive properties. These lenses offer convenience for indoor/outdoor use without separate sunglasses.
High-Index 1.8 Glass Lenses for Eyeglasses
Thin, lightweight high-index (1.8 refractive index) glass spectacle lenses designed for strong prescriptions, minimizing lens thickness while maintaining aberration-free vision. Made from dense flint glass and precisely polished, these unmounted lenses fit standard eyeglass frames. HTS 9001.40.00.00 applies to all optically worked glass spectacle lenses regardless of index or thinness.
Bifocal Glass Spectacle Lenses
Classic Kryptoc or flat-top bifocal glass lenses with distinct distance and near vision segments fused or molded into single unmounted lenses for presbyopia correction. Made from crown glass with precise segment lines, they require skilled optician edging. HTS 9001.40.00.00 includes multifocal spectacle lenses of glass as standard vision correction products.
Progressive Addition Glass Lenses
Varilux-style no-line progressive glass lenses providing seamless vision correction from distance through intermediate to near, with continuous power gradient ground into high-quality optical glass. These premium unmounted lenses minimize distortion through advanced freeform surfacing. Classified under HTS 9001.40.00.00 for all glass spectacle lenses including complex multifocals.
Trivex Glass Hybrid Spectacle Lenses
Impact-resistant glass lenses blending Trivex polymer core with glass outer layers for superior optical clarity and safety, designed for children's or sports eyeglasses. Optically worked to prescription with ANSI Z87.1 impact ratings. HTS 9001.40.00.00 applies if predominantly glass construction for spectacle use.