Standard

NS-EN ISO 18490:2026

Apr 2026 Published

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Abstract

ISO 18490:2015 specifies the form of the optotype, the quality requirements for the chart, the test procedure, and the acceptance level for near vision acuity of NDT personnel. It also addresses the qualification requirements for personnel permitted to carry out the test.ISO 18490:2015 only addresses near vision acuity under defined conditions similar to those encountered during routine NDT inspection. It does not address an individual's overall visual acuity and users are advised to consider the need for a general eye examination by specialist medical personnel to ensure general vision acuity is appropriate for job function.ISO 18490:2015 does not address colour vision requirements.

Document information

Standard from SN
Published: 15 April 2026
Edition: 2026-04
Version: 1
Document type: NAT
ISBN:

ICS 03.100.30
ICS 19.100
National Committee SN/K 58

Product Relations

Replaces: NS-EN ISO 18490:2015
Adopted from: EN ISO 18490:2026

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NS-EN ISO 18490:2015
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NS-EN ISO 18490:2026

NS-EN ISO 18490:2026

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