ISO 8596:2017 Preview

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

ISO 8596:2017 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.

ISO 8596:2017 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.


General information

  • Status :  Published
    Publication date : 2017-11
  • Edition : 3
    Number of pages : 10
  • :
    ISO/TC 172/SC 7
    Ophthalmic optics and instruments
  • 11.040.70
    Ophthalmic equipment

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