NBN EN ISO 8596 : 2009
Current
The latest, up-to-date edition.
OPHTHALMIC OPTICS - VISUAL ACUITY TESTING - STANDARD OPTOTYPE AND ITS PRESENTATION
01-12-2013
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
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