I.S. EN ISO 8597:1996
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
OPTICS AND OPTICAL INSTRUMENTS - VISUAL ACUITY TESTING - METHOD OF CORRELATING OPTOTYPES
Hardcopy , PDF
09-03-2006
English
22-11-1996
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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
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