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About This Item

 

Full Description

BS EN ISO 8596:2018 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.


Cross References:
ISO 3:1973
ISO/TR 19498


All current amendments available at time of purchase are included with the purchase of this document.
 

Document History

  1. BS EN ISO 8596:2018+A1:2020


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

    • Most Recent
  2. BS EN ISO 8596:2018

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

    • Historical Version
  3. BS EN ISO 8596:2009


    Ophthalmic optics. Visual acuity testing. Standard optotype and its presentation

    • Historical Version
  4. BS EN ISO 8596:1996


    Visual acuity test types. Specification for Landolt ring optotype for non-clinical purposes

    • Historical Version