
Ophthalmic Optics - Visual Acuity Testing - Standard Optotype And Its Presentation
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 daylight conditions for the purposes of certification or licensing.
UNE EN ISO 8596:1996 - Identical
SS EN ISO 8596 Ed. 1 (1996) - Identical
ISO 8596:1994 - Identical
NS EN ISO 8596:1996 - Identical
NF EN ISO 8596:1996 - Identical
UNI EN ISO 8596:1996 - Identical
NBN EN ISO 8596:1996 - Identical
ONORM EN ISO 8596:1996 - Identical
DIN EN ISO 8596 (1996-05) - Identical
BS EN ISO 8596:1996 - Identical
NEN EN ISO 8596:1996 - Identical
SN EN ISO 8596:1996 - Identical