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BS EN ISO 18490:2015

BS EN ISO 18490:2015

$102.76

Non-destructive Testing. Evaluation of vision acuity of NDT personnel

Published By Publication Date Number of Pages
BSI 2015 20
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This International Standard 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.

This International Standard 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.

This International Standard does not address colour vision requirements.

PDF Catalog

PDF Pages PDF Title
4 Foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Chart print quality
10 5 Health and safety
6 Personnel administering the test
7 Test charts
8 Test procedure
8.1 General
8.2 Illumination level
11 8.3 Eye to chart distance
8.4 Eyewear
8.5 Candidate’s responses
8.6 The test
9 Acceptance level
12 Annex A (normative) Format and size of the optotypes
15 Annex B (normative) Spacing of the optotypes
16 Annex C (informative) Example test chart (Not to scale)

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BS EN ISO 18490:2015
$102.76