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Overview ISO 18490:2026 – Non-destructive testing - Evaluation of vision acuity of NDT personnel specifies the essential requirements and standardized procedures for assessing the vision acuity of pe…
Overview ISO 18490:2015 - "Non‑destructive testing - Evaluation of vision acuity of NDT personnel" defines a standardized near‑vision acuity test for personnel performing NDT inspection. The standard…
Overview SIST EN ISO 18490:2026 - Non-destructive testing – Evaluation of vision acuity of NDT personnel, establishes internationally recognized requirements for assessing the visual acuity of person…
1 Scope 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.…