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WITHDRAWN
SSH EN ISO 8596:2009
PUBLISHED
SSH EN ISO 8596:2018
60.60
Standard published
Aug 8, 2018