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STN is a protected designation of Slovak national technical standards.
Ophthalmic optics - Contact lenses - Hygienic management of multipatient use trial contact lenses (ISO 19979:2018)
Standard published on 1.9.2023
Selected format:Optics and optical instruments. Contact lenses. Part 1: Determination of oxygen permeability and transmissibility by the FATT method
WITHDRAWN published on 1.1.2001
Selected format:Optics and optical instruments. Contact lenses. Part 2: Determination of oxygen permeability and transmissibility by the coulometric method
WITHDRAWN published on 1.6.2001
Selected format:Optics and optical instruments. Contact lenses. Determination of the spectral and luminous transmittance
WITHDRAWN published on 1.10.1999
Selected format:Optics and optical instruments. Contact lenses. Determination of refractive index of contact lens materials
WITHDRAWN published on 1.9.1999
Selected format:Optics and optical instruments. Contact lenses. Determination of the diameters
WITHDRAWN published on 1.12.2000
Selected format:Optics and optical instruments. Contact lenses. Determination of the thickness. Part 1: Rigid contact lenses
WITHDRAWN published on 1.1.2001
Selected format:Optics and optical instruments. Contact lenses. Determination of thickness. Part 2: Hydrogel contact lenses
WITHDRAWN published on 1.1.2001
Selected format:Contact lenses - Determination of back vertex power - Part 2: Measurement of contact lenses immersed in saline (ISO 9337-2:2004)
WITHDRAWN published on 1.1.2005
Selected format:Ophthalmic optics - Chart displays for visual acuity measurement - Printed, projected and electronic (ISO 10938:2016)
Standard published on 1.4.2017
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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