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EN ISO 8596:2009

Ophthalmic optics - Visual acuity testing - Standard optotype and its presentation (ISO 8596:2009) EN ISO 8596:2009

Publication date:   Aug 20, 2010

General information

99.60 Withdrawal effective   Jan 24, 2018

CEN

CEN/TC 170 Ophthalmic optics

European Norm

11.040.70   Ophthalmic equipment

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
EN ISO 8596:1996

NOW

WITHDRAWN
EN ISO 8596:2009
99.60 Withdrawal effective
Jan 24, 2018

REVISED BY

PUBLISHED
EN ISO 8596:2018