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CEN - EN ISO 8596

Ophthalmic optics - Visual acuity testing - Standard and clinical optotypes and their presentation

active, Most Current
Organization: CEN
Publication Date: 1 January 2018
Status: active
Page Count: 20
ICS Code (Ophthalmic equipment): 11.040.70
scope:

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 document 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.

 

 

Document History

EN ISO 8596
January 1, 2018
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...
January 1, 2018
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...
July 1, 2009
Ophthalmic optics - Visual acuity testing - Standard optotype and its presentation
A description is not available for this item.
January 1, 1996
Ophthalmic Optics - Visual Acuity Testing - Standard Optotype and Its Presentation
A description is not available for this item.

References

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