Gonioscope Lens
A gonioscope lens is a specialized contact lens with mirrored surfaces used to view the anterior chamber angle of the eye via a slit lamp. It is an essential diagnostic accessory for glaucoma assessment. This product is classified under tariff item 9018.90.90 as other instruments and appliances used in medical sciences.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the lens is a defibrillator accessory
Defibrillators and their accessories are classified separately under this subheading.
If the lens is a printed circuit assembly
Printed circuit assemblies for defibrillators are classified under this specific tariff item.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the gonioscope lens is accompanied by a valid Medical Device Licence from Health Canada if it is a Class II device
• Declare the product under tariff item 9018.90.90 and be prepared to provide documentation supporting its medical use
• Verify whether the lens qualifies for duty-free treatment under a free trade agreement
Related Products under Tariff item 9018.90.90
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Projection optics displaying distortion grids for macular function screening. It is an optical instrument for sight-testing, falling under 'Other' instruments and appliances in medical sciences.
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