NEN-EN-ISO 8596
Ophthalmic optics - Visual acuity testing - Standard and clinical optotypes and their presentation
active
| Organization: | NEN |
| Publication Date: | 1 January 2018 |
| Status: | active |
| ICS Code (Ophthalmic equipment): | 11.040.70 |
scope:
NEN-EN-ISO 8596 specifies a range of Landolt ring optotypes and describes a method for measuring distance visual acuity under photopic conditions for the purposes of certification or licensing.This document is neither intended as a standard for clinical measurements nor for the certification of blindness or partial sight.Other optotypes used for clinical investigations are described in Annex A for information.
Document History
February 1, 2020
Ophthalmic optics - Visual acuity testing - Standard and clinical optotypes and their presentation
A description is not available for this item.
NEN-EN-ISO 8596
January 1, 2018
Ophthalmic optics - Visual acuity testing - Standard and clinical optotypes and their presentation
NEN-EN-ISO 8596 specifies a range of Landolt ring optotypes and describes a method for measuring distance visual acuity under photopic conditions for the purposes of certification or licensing.This...
July 1, 2009
Ophthalmic optics - Visual acuity testing - Standard optotype and its presentation
This International Standard specifies a range of Landolt ring optotypes and describes a method for measuring distance visual acuity under daylight conditions for the purposes of certification or...
April 1, 1996
Ophthalmic optics - Visual acuity testing - Standard optotype and its presentation
Specifies a range of Landolt ring optotypes and describes a method for measuring distance visual acuity under daylight conditions for the purposes of certification or licensing.