60.60 Standard published Jan 24, 2018
CEN
CEN/TC 170 Ophthalmic optics
European Norm
11.040.70 Ophthalmic equipment
Published
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.
WITHDRAWN
EN ISO 8596:2009
PUBLISHED
EN ISO 8596:2018
60.60
Standard published
Jan 24, 2018
PUBLISHED
EN ISO 8596:2018/A1:2020