ISO 8596
Ophthalmic optics — Visual acuity testing — Standard optotype and its presentation
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| Organization: | ISO |
| Publication Date: | 1 July 2009 |
| Status: | inactive |
| Page Count: | 10 |
| ICS Code (Ophthalmic equipment): | 11.040.70 |
scope:
This International Standard 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.
For the purposes of measuring visual acuity, the standard optotype should be used.
For clinical use, see the recommendation prepared by the Visual Functions Committee of the International Council of Ophthalmology[1].
Document History
November 1, 2019
Ophthalmic optics — Visual acuity testing — Standard and clinical optotypes and their presentation AMENDMENT 1
A description is not available for this item.
November 1, 2017
Ophthalmic optics - Visual acuity testing - Standard and clinical optotypes and their presentation
This document 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.
This...
ISO 8596
July 1, 2009
Ophthalmic optics — Visual acuity testing — Standard optotype and its presentation
This International Standard 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...
January 1, 1994
Ophthalmic Optics - Visual Acuity Testing - Standard Optotype and Its Presentation First Edition; (CEN EN ISO 8596: 1996)
A description is not available for this item.