Amsler Grid Projector Lens from Canada
Projection optics displaying distortion grids for macular function screening. HTS 9018.90.20.00 covers optical projectors for sight-testing. Detects metamorphopsia in retinal disease.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Specify projection distance and grid angular size specifications
• Include fixation target luminance contrast ratio documentation
• Classify separately from chart projectors (non-medical vision charts)