BS EN ISO 8596:2018+A1:2020
Current
Current
The latest, up-to-date edition.
Ophthalmic optics. Visual acuity testing. Standard and clinical optotypes and their presentation
Amendment of
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
04-02-2020
Publisher
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.
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