SN EN ISO 8596 : 2009
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
OPHTHALMIC OPTICS - VISUAL ACUITY TESTING - STANDARD OPTOTYPE AND ITS PRESENTATION
01-08-2018
12-01-2013
Committees responsible
National foreword
Foreword
Specification
1 Scope
2 Normative references
3 Standard optotype
4 Visual acuity grades and standard optotype grades
5 Test area and spacing between standard optotypes
6 Presentation of the standard optotype
7 Luminance
8 Test report
Tables
1 Visual acuity grades
2 Spacing between standard optotypes (border to border)
3 Luminance
Figure
1 Landolt ring
Annex
ZA (normative) Normative references to international
publications with their corresponding European
publications
Gives a range of Landolt ring optotypes and describes a method of measuring distance visual acuity under daylight conditions for the purposes of certification or licensing. Not intended for use for clinical measurements nor for certifying blindness or partial sight.
| DocumentType |
Standard
|
| PublisherName |
Swiss Standards
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| UNI EN ISO 8596 : 2009 | Identical |
| UNE-EN ISO 8596:2010 | Identical |
| I.S. EN ISO 8596:2009 | Identical |
| BS EN ISO 8596:2009 | Identical |
| ISO 8596:2009 | Identical |
| NBN EN ISO 8596 : 2009 | Identical |
| DIN EN ISO 8596:2009-10 | Identical |
| NF EN ISO 8596 : 2018 | Identical |
| NEN EN ISO 8596 : 2018 | Identical |
| EN ISO 8596:2018 | Identical |
| I.S. EN ISO 8596:2018 | Identical |
| NS EN ISO 8596 : 2018 | Identical |
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