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ISO 8596:2009

Ophthalmic optics -- Visual acuity testing -- Standard optotype and its presentation

General information

Withdrawn from 28.11.2017
Directives or regulations
None

Standard history

Status
Date
Type
Name
28.11.2017
Main
Main
ISO 8596:1994
ISO 8596:2009 specifies a range of Landolt ring optotypes and describes a method for measuring distance visual acuity under daylight conditions for the purposes of certification or licensing.
It is neither intended as a standard for clinical measurements nor for the certification of blindness or partial sight.

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Standard monitoring