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ČSN is a protected designation of Czech national technical standards.
Optics and optical instruments - Visual acuity testing - Method of correlating optotypes
WITHDRAWN published on 1.12.1997
Selected format:Optics and optical instruments - Opthalmic optics - Formers
Standard published on 1.12.1997
Selected format:
WITHDRAWN published on 1.12.1996
Selected format:Ophthalmic optics - Bar code specifications (ISO 13230:1999)
WITHDRAWN published on 1.1.2000
Selected format:Ophthalmic optics - Chart displays for visual acuity measurement - Printed, projected and electronic
Standard published on 1.5.2017
Selected format:Ophthalmic instruments - Chart projectors (ISO 10938:1998)
WITHDRAWN published on 1.1.1999
Selected format:Ophthalmic instruments - Slit-lamp microscopes
Standard published on 1.11.2017
Selected format:Ophthalmic instruments - Slit-lamp microscopes (ISO 10939:1998)
WITHDRAWN published on 1.4.1999
Selected format:Ophthalmic instruments - Slit-lamp microscopes (ISO 10939:2007)
WITHDRAWN published on 1.9.2007
Selected format:Ophthalmic instruments - Fundus cameras (ISO 10940:2009)
Standard published on 1.12.2009
Selected format:Latest update: 2026-08-06 (Number of items: 2 291 512)
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