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STN is a protected designation of Slovak national technical standards.
Ophthalmic instruments. Chart projectors
WITHDRAWN published on 1.5.2001
Selected format:Ophthalmic optics. Contact lenses. Determination of water content of hydrogel lenses
WITHDRAWN published on 1.5.2001
Selected format:Ophthalmic optics and instruments - Optical and electro-optical devices for enhancing low vision (ISO 15253:2021)
Standard published on 1.10.2021
Selected format:Ophthalmic instruments - Trial case lenses (ISO 9801:2009)
Standard published on 1.5.2010
Selected format:Ophthalmic optics and instruments - Optical devices for enhancing low vision (ISO 15253:2000)
WITHDRAWN published on 1.12.2001
Selected format:Ophthalmic instruments. Trial case lenses
WITHDRAWN published on 1.4.2001
Selected format:Ophthalmic optics - Information interchange for ophthalmic optical equipment (ISO 16284:2006)
Standard published on 1.8.2006
Selected format:Ophthalmic optics. Information interchange for ophthalmic optical equipment (ISO 16284:2001)
WITHDRAWN published on 1.5.2002
Selected format:Ophthalmic optics - Spectacle frames - Measuring system and vocabulary (ISO 8624:2020)
Standard published on 1.1.2021
Selected format:Ophtalmic optics. Spectacle frames. Measuring system and terminology
WITHDRAWN published on 1.6.2003
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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