SR EN ISO 8596:2009

Ophthalmic optics - Visual acuity testing - Standard optotype and its presentation (ISO 8596:2009)

ISO 8596:2009 specifies 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. It is neither intended as a standard for clinical measurements nor for the certification of blindness or partial sight.

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General information

Status : Withdrawn
Approval date : 12/15/2009
Publish date : 12/17/2009
Withdrawal date : 7/31/2018
Number of pages : 12
ICS : 11.040.70 Ophthalmic equipment
Technical Committee : 230 - Optics and optical instruments

Relations with other standards:

Replaces SR EN ISO 8596:2003
Replaced by SR EN ISO 8596:2018