I.S. EN ISO 8597:1996
Withdrawn
OPTICS AND OPTICAL INSTRUMENTS - VISUAL ACUITY TESTING - METHOD OF CORRELATING OPTOTYPES
Hardcopy , PDF
English
11-22-1996
03-09-2006
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.
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
Defines a method of correlation between a given set of optotypes and the standard optotype (Landolt ring) specified by IS0 8596.
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Withdrawn
|
| Standards | Relationship |
| BS EN ISO 8597:1996 | Identical |
| EN ISO 8597 : 1996 | Identical |
| NS EN ISO 8597 : 1ED 1996 | Identical |
| NEN EN ISO 8597 : 1996 | Identical |
| NBN EN ISO 8597 : 1996 | Identical |
| NF EN ISO 8597 : 1996 | Identical |
| UNE-EN ISO 8597:1996 | Identical |
| DIN EN ISO 8597:1996-05 | Identical |
| ISO 8596:2009 | Ophthalmic optics — Visual acuity testing — Standard optotype and its presentation |
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