Share:

Gonioscopy Prism Set

Sterilizable prism set including Goldmann, Zeiss, and Posner style lenses for angle structure evaluation in glaucoma assessment and anterior chamber angle surgery planning. Falls under HTS 9018.50.00.00 as ophthalmic instrument accessories. Precision ground glass optics for detailed trabecular meshwork visualization.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+10.0%10%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

9001.40.00.00Higher: 19.5% vs 10%

If general laboratory optical prisms without ophthalmic specifications

Spectacle lenses and optical elements exclude diagnostic prism sets

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Include reprocessing validation per AAMI/ANSI sterilization standards

Document prism angle tolerances and coating durability testing

Provide handle material compatibility with standard slit lamp holders

Related Products under HTS 9018.50.00.00

Volk 90D Slit Lamp Lens

The Volk 90D is a high-magnification aspheric condensing lens used with slit lamps for detailed stereoscopic fundus examination of the eye's posterior segment. It falls under HTS 9018.50.00.00 as an ophthalmic instrument essential for retinal diagnostics in eye care. Its precision optics enable clear visualization of the retina, vitreous, and optic nerve.

Heidelberg Spectralis OCT Scanner

The Heidelberg Spectralis is an advanced optical coherence tomography (OCT) system combining confocal scanning laser ophthalmoscopy with high-resolution retinal imaging for glaucoma and macular degeneration diagnosis. Classified under HTS 9018.50.00.00 as specialized ophthalmic diagnostic equipment. It provides micron-level cross-sectional retinal images critical for progressive disease monitoring.

Topcon KR-8000 Auto Keratometer

The Topcon KR-8000 measures corneal curvature and refractive error through automated keratometry and autorefraction for precise prescription determination before cataract or refractive surgery. This ophthalmic instrument falls under HTS 9018.50.00.00 due to its specialized eye measurement functions. It provides essential data for contact lens fitting and surgical planning.

Zeiss Humphrey Visual Field Analyzer

The Zeiss Humphrey Field Analyzer (HFA) performs automated perimetry testing to map visual field defects indicative of glaucoma, optic nerve damage, and neurological conditions affecting vision. Classified under HTS 9018.50.00.00 as an ophthalmic sight-testing instrument. Gold standard for quantitative visual field assessment in clinical practice.

Nidek LM-1800 Lensmeter

The Nidek LM-1800 is a digital lensometer measuring spectacle lens power, cylinder axis, prism, and coating properties for prescription verification and lens production quality control. Falls under HTS 9018.50.00.00 as ophthalmic instrument for lens evaluation. Essential for opticians verifying finished eyewear prescriptions.

Marco Ultra M3 Non-Contact Tonometer

The Marco Ultra M3 uses air-puff technology to measure intraocular pressure non-invasively, crucial for glaucoma screening and monitoring treatment efficacy. Classified under HTS 9018.50.00.00 as ophthalmic instrument. Provides rapid, accurate IOP readings without anesthetic drops.