EN ISO 9801:2009
Ophthalmic instruments - Trial case lenses (ISO 9801:2009)

Standard No.

EN ISO 9801:2009

Release Date

2009

Published By

European Committee for Standardization (CEN)

Latest

EN ISO 9801:2009

Replace

BS EN ISO 9801:1999

Scope

This International Standard specifies requirements for mounted ophthalmic full and/or reduced aperture trial case lenses for the determination of the refractive error of the eye.

EN ISO 9801:2009 Referenced Document

• ISO 13666 Ophthalmic optics — Spectacle lenses — Vocabulary
• ISO 15004-1:2006 Ophthalmic instruments - Fundamental requirements and test methods - Part 1: General requirements applicable to all ophthalmic instruments
• ISO 7944 Optics and optical instruments - Reference wavelengths; Technical Corrigendum 1

EN ISO 9801:2009 history

• 2009 EN ISO 9801:2009 Ophthalmic instruments - Trial case lenses (ISO 9801:2009)
• 1999 EN ISO 9801:1999 Ophthalmic Instruments - Trial Case Lenses ISO 9801:1997