Ophthalmic optics - Visual acuity testing - Standard and clinical optotypes and their presentation - Amendment 1

Optique ophtalmique — Mesure de l'acuité visuelle — Optotype normalisé et optotypes cliniques et leur présentation — Amendement 1

General Information

Status
Published
Publication Date
01-Dec-2019
Current Stage
6060 - International Standard published
Start Date
02-Dec-2019
Due Date
18-Nov-2019
Completion Date
28-Nov-2019

Relations

Effective Date
06-Jun-2022
Effective Date
09-May-2020

Overview

ISO 8596:2017/Amd 1:2019 is an important amendment to the internationally recognized standard for ophthalmic optics, specifically addressing visual acuity testing methods. This standard defines requirements for standard and clinical optotypes and their presentation during visual acuity assessments. Developed under the ISO Technical Committee ISO/TC 172 (Optics and Photonics) and Subcommittee SC 7 (Optics and Ophthalmic Instruments), the amendment clarifies the calculation of visual acuity results using logMAR values to ensure consistency and accuracy in clinical and research settings.

Key Topics

  • Visual Acuity Testing: The amendment refines procedures for measuring visual sharpness, a crucial parameter in eye examinations.
  • Standardized Optotypes: It specifies the use of internationally recognized optotypes for assessing patient vision.
  • Presentation Methods: Guidance is provided on how optotypes should be presented to patients to maintain testing reliability.
  • logMAR Calculation: A key update involves the methodology for calculating visual acuity using the logMAR scale, emphasizing the subtraction of correctly identified optotypes from the top line’s logMAR value to determine final visual acuity.
  • Clinical Relevance: The standardized optotypes and their presentation help ensure test repeatability across different clinical environments globally.

Applications

  • Eye Care Professionals: Optometrists and ophthalmologists utilize this standard to perform consistent and reliable visual acuity tests during patient examinations.
  • Vision Research: Researchers adopt the standardized optotypes for clinical trials and vision science studies to guarantee comparable measurements.
  • Manufacturers of Ophthalmic Instruments: Device developers use the standard to design and validate visual acuity testing equipment compliant with international norms.
  • Healthcare Institutions: Hospitals and clinics implement this standard for quality control in routine vision screenings and specialized ocular assessments.
  • Regulatory Bodies: Authorities reference the standard for certifying ophthalmic devices and ensuring they meet established accuracy criteria.

Related Standards

  • ISO 8597 – Ophthalmic optics standards associated with visual acuity testing.
  • ISO 9334 – Standards covering ophthalmic visual acuity test charts.
  • ISO/IEC Directives – Guidelines outlining procedures for developing and maintaining ISO standards.
  • IEC Standards on Medical Devices – Complementary standards addressing electrical and electronic aspects of ophthalmic instruments.
  • World Health Organization (WHO) Vision Standards – Frameworks related to global vision care and visual function measures.

Keywords: ISO 8596 amendment, ophthalmic optics, visual acuity testing standard, standard optotypes, clinical optotypes, logMAR visual acuity, vision test standard, ISO ophthalmic instruments, eye examination protocol, vision measurement consistency, international vision testing standard.

Standard

ISO 8596:2017/Amd 1:2019 - Ophthalmic optics — Visual acuity testing — Standard and clinical optotypes and their presentation — Amendment 1 Released:12/2/2019

English language
1 pages
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Standard

ISO 8596:2017/Amd 1:2019 - Optique ophtalmique — Mesure de l'acuité visuelle — Optotype normalisé et optotypes cliniques et leur présentation — Amendement 1 Released:2/26/2020

French language
1 pages
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Frequently Asked Questions

ISO 8596:2017/Amd 1:2019 is a standard published by the International Organization for Standardization (ISO). Its full title is "Ophthalmic optics - Visual acuity testing - Standard and clinical optotypes and their presentation - Amendment 1". This standard covers: Ophthalmic optics - Visual acuity testing - Standard and clinical optotypes and their presentation - Amendment 1

Ophthalmic optics - Visual acuity testing - Standard and clinical optotypes and their presentation - Amendment 1

ISO 8596:2017/Amd 1:2019 is classified under the following ICS (International Classification for Standards) categories: 11.040.70 - Ophthalmic equipment. The ICS classification helps identify the subject area and facilitates finding related standards.

ISO 8596:2017/Amd 1:2019 has the following relationships with other standards: It is inter standard links to ISO 15540:2016, ISO 8596:2017. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

ISO 8596:2017/Amd 1:2019 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


INTERNATIONAL ISO
STANDARD 8596
Third edition
2017-11-30
AMENDMENT 1
2019-11
Ophthalmic optics — Visual acuity
testing — Standard and clinical
optotypes and their presentation
AMENDMENT 1
Optique ophtalmique — Mesure de l'acuité visuelle — Optotype
normalisé et optotypes cliniques et leur présentation
AMENDEMENT 1
Reference number
ISO 8596:2017/Amd.1:2019(E)
©
ISO 2019
ISO 8596:2017/Amd.1:2019(E)
© ISO 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved

ISO 8596:2017/Amd.1:2019(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
diffe
...


NORME ISO
INTERNATIONALE 8596
Troisième édition
2017-11
AMENDEMENT 1
2019-11
Optique ophtalmique — Mesure de
l'acuité visuelle — Optotype normalisé
et optotypes cliniques et leur
présentation
AMENDEMENT 1
Ophthalmic optics — Visual acuity testing — Standard and clinical
optotypes and their presentation
AMENDMENT 1
Numéro de référence
ISO 8596:2017/Amd.1:2019(F)
©
ISO 2019
ISO 8596:2017/Amd.1:2019(F)
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2019
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette
publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,
y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut
être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: +41 22 749 01 11
Fax: +41 22 749 09 47
E-mail: copyright@iso.org
Web: www.iso.org
Publié en Suisse
ii © ISO 2019 – Tous droits réservés

ISO 8596:2017/Amd.1:2019(F)
Avant-propos
L'ISO (Organisation internationale de normalisation) est une fédération mondiale d'organismes
nationaux de normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est
en général confiée aux comités techniques de l'ISO. Chaque comité membre intéressé par une étude
a le droit de faire partie du comité technique créé à cet effet. Les organisations internationales,
gouvernementales et non gouvernementales, en liaison avec l'ISO participent également aux travaux.
L'ISO collabore étroitement avec la Commission électrotechnique internationale (IEC) en ce qui
concerne la normalisation électrotechnique.
Les procédures utilisées pour élaborer le présent document et celles destinées à sa mise à jour sont
décrites dans les Directives ISO/IEC, Partie 1. Il convient, en particulier, de prendre note des différents
critères d'approbation requis pour les différents types de documents ISO. Le présent document a été
rédigé conformément aux règles de rédaction données dans les Directives ISO/IEC, Partie 2 (voir www
.iso .org/ dir
...

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