GB/T 40117-2021: Non-destructive testing - Evaluation of vision acuity of NDT personnel

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Scope

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 document 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.

Basic Data

Standard ID	GB/T 40117-2021 (GB/T40117-2021)
Description (Translated English)	Non-destructive testing - Evaluation of vision acuity of NDT personnel
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J04
Word Count Estimation	10,129
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration