BS EN ISO 9801:2009
Ophthalmic instruments - Trial case lenses

Standard No.

BS EN ISO 9801:2009

Release Date

2010

Published By

British Standards Institution (BSI)

Status

Be replaced 2010-01

Replace By

BS EN ISO 9801:2010

Latest

BS EN ISO 9801:2010

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. This International Standard takes priority over ISO 15004-1, if differences exist.

BS EN ISO 9801:2009 Referenced Document

• ISO 13666 Ophthalmic optics — Spectacle lenses — Vocabulary*， 2019-02-15 Update
• 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

BS EN ISO 9801:2009 history

• 2010 BS EN ISO 9801:2010 Ophthalmic instruments. Trial case lenses
• 1997 BS EN ISO 9801:1997 Ophthalmic instruments - Trial case lenses