Prism-Controlled Polycarbonate Lenses from Japan
Polycarbonate unmounted spectacle lenses incorporating prism correction for eye alignment disorders like strabismus. Base-in/out prism power built into prescription. HTS 9001.50.00.00 for specialized plastic spectacle lenses.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Prism diopter values must appear on invoices for medical device validation
• Ophthalmologist Rx verification prevents misuse classification
• Custom slab-off prisms require made-to-measure documentation