Worth Four Dot Optical Test Kit from Canada
Polarized optical dissociator with four colored dots for binocular vision assessment. Sight-testing optical appliance under HTS 9018.90.20.00. Diagnoses suppression and fusion anomalies.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify polarization axis orientation and dot chromaticity values
• Include trial frame compatibility and working distance specifications
• Document orthoptic testing application vs. general polarized filters