Color Vision Test Lantern
Edridge-Green lantern simulating railway signaling for color blindness diagnosis. Optical instrument under HTS 9018.90.20.00 for medical sight-testing. Tests aviation and transportation worker qualification.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general architectural LED lighting
Decorative/other lighting fixtures classify under Chapter 94.
If automotive signaling lamps
Vehicle lamp assemblies classify under Chapter 85 electrical apparatus.
If telescopic sighting instruments
Optical sighting devices for non-medical applications classify under 9013.
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Import Tips & Compliance
• Include CIE chromaticity coordinates for color accuracy verification
• Specify luminance levels meeting ANSI Z80.3 phototherapy standards
• Document occupational medical testing use vs. general lighting
Related Products under HTS 9018.90.20.00
Phoropter Lens Set
A set of trial lenses used in phoropters for refractive error testing during eye examinations. This optical instrument and its accessories fall under HTS 9018.90.20.00 as other optical appliances for sight-testing in medical sciences. It enables precise vision correction measurements.
Slit Lamp Biomicroscope
High-magnification optical instrument using a narrow beam of light for detailed anterior segment eye examination. Classified in HTS 9018.90.20.00 as other optical appliances for medical sight-testing. Essential for diagnosing corneal and lens abnormalities.
Ophthalmic Trial Lens Kit
Portable set of spherical, cylindrical, and prism trial lenses for refraction testing in optometry. Falls under HTS 9018.90.20.00 as optical accessories for sight-testing instruments. Used to determine eyeglass prescriptions accurately.
Retinoscope Optical Accessory
Streak retinoscope with cobalt blue filter and fixation target for objective refraction. HTS 9018.90.20.00 covers this as other optical sight-testing appliance. Detects refractive errors without patient response.
Keratometer Measurement Head
Precision optical attachment measuring corneal curvature for contact lens fitting. Classifies under HTS 9018.90.20.00 as optical appliance part for sight-testing. Provides dioptric measurements of corneal astigmatism.
Gonioscope Lens
Contact lens with mirrored surfaces for viewing anterior chamber angle via slit lamp. HTS 9018.90.20.00 applies to this specialized optical diagnostic accessory. Essential for glaucoma angle assessment.