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WITHDRAWN
ISO 8596:2009
PUBLISHED
ISO 8596:2017
90.93
Standard confirmed
Mar 27, 2023
PUBLISHED
ISO 8596:2017/Amd 1:2019
Ophthalmic optics - Visual acuity testing -- Standard and clinical optotypes and their presentation (ISO 8596:2017)
60.60 Standard published