I.S. EN ISO 8596:2018被替代
Ophthalmic Optics - Visual Acuity Testing - Standard and Clinical Optotypes and Their Presentation (iso 8596:2017)
出版：National Standards Authority of Ireland
专家解读视频
Defines 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.
NS EN ISO 8596:2018 - Identical
ONORM EN ISO 8596:2018 - Identical
NF EN ISO 8596:2018 - Identical
BS EN ISO 8596:2018 - Identical
EN ISO 8596:2018 - Identical
UNI EN ISO 8596 : 2009 - Identical
UNE EN ISO 8596 : 2010 - Identical
DIN EN ISO 8596 : 2009 - Identical
ISO 8596 : 2017 - Identical
SN EN ISO 8596 : 2009 - Identical
BS EN ISO 8596 : 2009 - Identical
ISO 8596 : 2009 - Identical
EN ISO 8596 : 2018 - Identical
NBN EN ISO 8596 : 2009 - Identical
EN ISO 8596 : 2018 - Identical
ISO 8596 : 2017 - Identical
