ISO 8596:2017

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.

Edition	2017
Published Date	2017
Published By	International Standardization Organisation
Page Count	10