ISO INTERNATIONAL STANDARD 4007 Third edition 2018-10 Personal protective equipment Eye and face protection Vocabulary Equipement de protection individuelle - Protection des yeux et du visage-Vocabulaire Reference number IS0 4007:2018(E) so International Organization for Standardization Shenzhen Institute of Standards and Technology 9972181 @IS02018 IS0 4007:2018(E) COPYRIGHTPROTECTEDDOCUMENT @IS02018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internetoranintranet, without priorwrittenpermission.Permission canberequested from either Iso at the address below or Iso's member body in the country of the requester. ISO copyright office CP 40i: Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ganizationfor Standardization icensee-Shenzhen Institute of Standards andeclSogf1&- All rights reserved rious National Standards Bodies IS0 4007:2018(E) Contents Page Foreword ..iv 1 Scope 1 2 Normative references 3 Terms and definitions ..1 3.1 Risks and hazards 1 3.2 Optical radiation .2 3.3 Sources of non-ionizing radiation 4 3.4 Radiometry and photometry.. 3.5 Generalterms 13 3.5.1 Types and components of eye and face protectors 13 3.5.2 Geometrical properties of eye and face protection 17 3.5.3 Terms relating to the non-lens part of protectors 19 3.5.4 Welding protectors 20 3.5.5 Secondary lenses for welding protectors 21 3.5.6 Mesh protectors. 21 3.5.7 Protection from short circuit electric arc 22 3.6 Optical materials .23 3.7 Optical properties of components and lenses 24 3.8 Optical properties of lenses, excluding transmittance .27 3.9 Wearer characteristics.. 31 3.10 Filters, absorption, transmission and reflection. 32 3.10.1 General terms 32 3.10.2 Polarized radiation and polarizing filters 48 3.10.3 Welding filters 50 3.11 Test equipment. 53 Glossary of abbreviations and symbols ..55 4 Annex A (informative) Spectral weighting functions and spectral distributions .57 Bibliography .67 Index. .69 iii Shenzhen Institute of Standards and Technology 9972181