ČSN - Czech national standards

Optics and optical instruments - Contact lenses - Method for determining the extractable substances

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Ophthalmic optics - Contact lenses - Part 1: Vocabulary, classification system and recommendations for labelling specifications

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Optics and optical instruments - Contact lenses - Part 1: Specification for rigid corneal and scleral contact lenses

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Ophthalmic optics - Specifications for material, optical and dimensional properties of contact lenses - Part 1: Rigid corneal and scleral contact lenses

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Ophthalmic optics - Contact lenses - Part 2: Tolerances

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Opthalmic optics - Specifications for material, optical and dimensional properties of contact lenses - Part 2: Single-vision hydrogel lenses (ISO 8321-2:2000)

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Optics and optical instruments - Contact lenses - Determination of strains for rigid contact lenses

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Optics and optical instruments - Contact lenses - Determination of inclusion and surface imperfections for rigid contact lenses

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Optics and optical instruments - Contact lenses - Determination of refractive index of contact lens materials

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Optics and optical instruments - Contact lenses - Determination of the spectral and luminous transmittance

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