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ISO DIS 18490

2013 Edition, June 6, 2013

Complete Document

NON-DESTRUCTIVE TESTING - EVALUATION OF VISION ACUITY OF NDT PERSONNEL



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Superseded By: ISO 18490

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NOW A PUBLISHED STD * SEE ISO 18490
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Description / Abstract:

This document 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 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 document does not address colour vision requirements.
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