Amsler Grid Projector Lens
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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If overhead transparency projectors
General optical projection apparatus classifies under heading 9010.
If mechanical projection screen mounts
Non-optical projector components classify as general medical parts.
If office projection photocopiers
Combined office machines classify under Chapter 84 provisions.
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Import Tips & Compliance
• Specify projection distance and grid angular size specifications
• Include fixation target luminance contrast ratio documentation
• Classify separately from chart projectors (non-medical vision charts)
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