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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
Directives or regulations
None

Standard history

Status
Date
Type
Name
17.02.2020
Amendment
01.02.2018
Main
04.03.2010
Main
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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