非破坏性测试 - Ndt人员视觉敏锐度评估

[中文适用范围]： 本文件规定了无损检测（NDT）人员近视力、远视力和色觉视力的图表质量要求、测试程序和验收水平。有关灰度感知和低对比度的信息可在附录中找到。本文件还规定了允许执行测试的人员的资格要求。本文件仅适用于与常规无损检测检查期间遇到的条件相似的视力视力条件。本文件不解决个人的整体视力，建议用户考虑需要由专业医疗人员进行一般眼科检查，以确保一般视力。 [外文原描述]： This document specifies quality requirements for the chart, test procedure and acceptance level for near, far, and colour vision acuity of NDT personnel. Information for grey scale perception and low contrast can be found in the annexes. This document also specifies the qualification requirements for personnel permitted to carry out the test. This document is only applicable to vision acuity under defined conditions similar to those encountered during routine NDT inspection. This document 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.