Corneal Topographer Objective Lens from Japan
Placido disc illumination optics for corneal surface mapping. Classifies under HTS 9018.90.20.00 as optical component of sight-testing videokeratography. Generates elevation maps for ectasia detection.
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
• Specify ring pattern count and illumination wavelength for classification
• Require software validation documentation for topographic algorithms
• Separate from computer interface components to maintain optical classification