ISO INTERNATIONAL STANDARD 10322-2 Fourthedition 2016-03-01 Ophthalmic optics Semi-finished spectacle lens blanks - Part 2: Specifications for progressive-power and degressive-power lens blanks Optiqueophtalmique-Verresdelunettessemi-finis- Partie2:Specifications pour les verres progressifs et degressifs Reference number ISO10322-2:2016(E) ISO Intermational Organization for Standardization @IS02016 JIANG INST OF STANDARDIZATION C15956617 d without license from IHS IS010322-2:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS02016,Published inSwitzerland All rights reserved. Unless otherwise specified, 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 internet or an intranet, without prior 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 Ch. de Blandonnet 8. CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +4122 749 09 47 [email protected] www.iso.org Intemationaibr PrganizationforStandardization Uicensee-ZHEJIANG INSTOF STANDARDIZoISQ,6-All rights reserved etworking permitted without license from IHS NotforResale, 2016/4/2602:46:32 IS0 10322-2:2016(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions .1 4 Classification .1 5 Requirements .1 5.1 General 5.2 Optical requirements for thefinished surface .1 5.2.1 General .1 5.2.2 Tolerancesonthesurfacepower 2 5.2.3 Tolerances onthe surfaceadditionpowerforprogressive-powerlens blanks. 2 5.3 Geometricaltolerances 2 5.3.1 Tolerances onthesize 2 5.3.2 Tolerances on thickness. .3 5.4 Orientationrequirementforpolarizing lens blanks .3 6 Test methods. .3 6.1 General .3 6.2 Determination of surfacepower .3 6.3 Surfaceadditionpowermeasurementforprogressive-powerlensblanks .3 6.3.1 General .3 6.3.2 Measurement 4 6.4 Inspectionmethodformaterial and surfacequality ..4 7 Marking and identification .4 7.1 Marking .4 7.1.1 Permanent marking 7.1.2 Optional non-permanent marking 4 7.2 Identification required on the package .4 7.3 Informationtobemadeavailable .5 8 ReferencetothispartofIs010322 .5 AnnexA (informative)Materialandsurfacequality ..6 AnnexB(informative)Conversionofsurfacepowertolerancesfromtherefractiveindexof thelensblanktothatofaninstrument'sfixed reference AnnexC (informative)Additionpowermeasurement bytransmission Bibliography .9 iii 2e=ZHEJIANG INSTOFSTANDARDIZATIONC15956617 thout license from IHS