ISO INTERNATIONAL STANDARD 12609-2 First edition 2013-07-15 Eyewear for protection against intense light sources used on humans and animals for cosmetic and medical applications Part 2: Guidance for use Equipements ophtalmiquesde protection contre les sources lumineuses intenses utilisées sur les animaux et les humains pour des applications medicales et cosmetiques - Partie 2: Directives d'utilisation Reference number IS012609-2:2013(E) LSO @ IS0 2013 Not for Resale IS0 12609-2:2013(E) COPYRIGHTPROTECTEDDOCUMENT ISO2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 12609-2:2013(E) Contents Page Foreword ..iv 1 Scope 2 Terms and definitions .1 3 Optical radiation hazards ..2 3.1 Risk assessment. .2 3.2 Controlmeasures .2 4 Eye protection .3 4.1 Protective eyewear 3 4.2 Filter protection factor (FPF) .3 4.3 Luminoustransmittanceandcolourperception 4 5 User comfort and secondary safety issues .4 5.1 Peripheralleakage .4 5.2 Secondaryreflectionsfromeyewearframeandfilters 4 5.3 Quality of filters and clarity of vision ..4 5.4 Exposure to bright flashes below ELVs .4 5.5 Overheating of eyewear. .5 5.6 Additional considerations for auto darkening filters ..5 Annex A (informative) Ocular exposure to optical radiation .6 Annex B (informative) Retinal thermal hazard - Assessment flowchart .1 .8 Annex C (informative) Retinal thermal hazard - Example calculation Annex D (informative) Protective eyewear for the patient/client ..12 Annex E (informative) Protective eyewear for the operator ..13 Annex F (informative) Filter protection factor ..14 AnnexG (informative) Luminoustransmittance ..16 Annex H (informative) Colour perception of ILS protective eyewear - Example ..17 Bibliography .18 iii e with I lout license from IHS Not for Resale