ISO 8596:2017

Ophthalmic optics — Visual acuity testing — Standard and clinical optotypes and their presentation

Publication date: 28 nën 2017

General information

Current stage: 90.93 Effective date: 27 mar 2023

Originator: ISO

Owner: ISO/TC 172/SC 7

Type: International Standard

ICS: 11.040.70

Gjuha: anglisht frëngjisht

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Statusi: Publikuar

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Scope

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.