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EVS-EN ISO 8596:2018

Ophthalmic optics - Visual acuity testing -- Standard and clinical optotypes and their presentation (ISO 8596:2017)

General information

Valid from 01.02.2018
Base Documents
ISO 8596:2017; EN ISO 8596:2018
ICS Groups
11.040.70 Ophthalmic equipment
Directives or regulations
None

Standard history

Status
Date
Type
Name
17.02.2020
Amendment
EVS-EN ISO 8596:2018/A1:2020
01.02.2018
Main
EVS-EN ISO 8596:2018
04.03.2010
Main
EVS-EN ISO 8596:2010
ISO 8596:2017 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.
ISO 8596:2017 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.

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Standard monitoring
English (PDF 450 KB)

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Amendment

EVS-EN ISO 8596:2018/A1:2020

Ophthalmic optics - Visual acuity testing - Standard and clinical optotypes and their presentation - Amendment 1 (ISO 8596:2017/Amd1:2019)
Newest version Valid from 17.02.2020
Main

EVS-EN ISO 15004-1:2020

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EVS-EN ISO 15004-2:2007

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EVS-EN ISO 14534:2015

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English