NEN EN ISO 8596 : 2018
Current
Current
The latest, up-to-date edition.
OPHTHALMIC OPTICS - VISUAL ACUITY TESTING - STANDARD AND CLINICAL OPTOTYPES AND THEIR PRESENTATION
Published date
12-01-2013
Publisher
Describes 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.
Sorry this product is not available in your region.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.