ČSN EN ISO 8596

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

Available languages: English

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Detail information

Designation: ČSN EN ISO 8596

Publication date: 01/07/2018

Pages: 24

Country: Czech technical standard

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Anotation

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

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