NBN EN ISO 8596 : 2009
Current
The latest, up-to-date edition.
OPHTHALMIC OPTICS - VISUAL ACUITY TESTING - STANDARD OPTOTYPE AND ITS PRESENTATION
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 |
Belgian Standards
|
| Status |
Current
|
| Standards | Relationship |
| UNI EN ISO 8596 : 2009 | Identical |
| UNE-EN ISO 8596:2010 | Identical |
| I.S. EN ISO 8596:2009 | Identical |
| SN EN ISO 8596 : 2009 | Identical |
| BS EN ISO 8596:2009 | Identical |
| ISO 8596:2009 | Identical |
| EN ISO 8596:2018 | Identical |
| DIN EN ISO 8596:2009-10 | Identical |
| NF EN ISO 8596 : 2018 | Identical |
| NEN EN ISO 8596 : 2018 | Identical |
| I.S. EN ISO 8596:2018 | Identical |
| NS EN ISO 8596 : 2018 | Identical |
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