ISO INTERNATIONAL STANDARD 11987 Second edition 2012-07-15 Ophthalmic optics Contact lenses Determination of shelf-life Optique ophtalmique -Lentilles de contactDétermination de la dureedeconservation Reference number ISO 11987:2012(E) LSO @ISO2012 by IHS under lic No reproduction Not for Resale ISO 11987:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Casepostale56·CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 4122 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2012 -All rights reserved No reproductic etworking permitted without license from IHS Not for Resale ISO 11987:2012(E) Foreword SO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the IsO/lEc Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 11987 was prepared by Technical Committee ISO/TC 172, Optics and photonics, Subcommittee SC 7, Ophthalmic optics and instruments This second edition cancels and replaces the first edition (isO 11987:1997), which has been technically revised. It also incorporates the Technical Corrigendum ISO 11987:1997/Cor.1:1998. ii Not for Resale

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