Personal eye protection. Optical test methods Ingestion-build-54371 Successful implementation of a Knowledge

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Personal eye protection. Optical test methods Ingestion-build-54371 Successful implementation of a KnowledgeThis European Standard specifies optical test methods for eye protectors, the requirements for which are contained in other European Standards. Alternative methods may be used if shown to be equivalent. Tests are described for spherical, astigmatic and prismatic refractive powers, unmounted oculars covering one eye, unmounted oculars covering both eyes and mounted oculars (spectacles, goggles and face shields), light diffusion test, assessment of the