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ISO 8596:2017

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

General information

Valid from 28.11.2017
Directives or regulations
None

Standard history

Status
Date
Type
Name
02.12.2019
Amendment
28.11.2017
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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Standard monitoring