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EN ISO 8597 : 1996

Withdrawn

Withdrawn

OPTICS AND OPTICAL INSTRUMENTS - VISUAL ACUITY TESTING - METHOD OF CORRELATING OPTOTYPES

Published date

01-12-2013

Withdrawn date

07-23-2013

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Foreword
1 Scope
2 Normative reference
3 General requirements for optotypes
4 Correlation of optotypes
5 Assignment of an acuity score
6 Assessing the equivalence of two kinds of optotypes
7 Significance of the difference between the two averages
Annex ZA (normative) Normative references to international
                     publications with their corresponding
                     European publications

Gives a method of correlation between a given set of optotypes and the standard optotype (Landolt ring) specified by ISO 8596.

Committee
TC 170
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Withdrawn

EN 13503-7 : 2001 OPHTHALMIC IMPLANTS - INTRAOCULAR LENSES - PART 7: CLINICAL INVESTIGATIONS
BS EN 13503-7:2002 Ophthalmic implants. Intraocular lenses Clinical investigations

ISO 8596:2009 Ophthalmic optics — Visual acuity testing — Standard optotype and its presentation

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