PD IS0/TS 6838:2024 BSl Standards Publication Ophthalmic optics Contact lenses - Tolerances and methods for measurement of multifocal contact lens addition power bsi. PUBLISHED DOCUMENT PD IS0/TS6838:2024 National foreword This Published Document is the UK implementation of IS0/TS 6838:2024. The UK participation in its preparation was entrusted to Technical Committee CH/172/9, Contact lenses and contact lens care products. A list of organizations represented on this committee can be obtained on request to its committee manager. Contractual and legal considerations This publication has been prepared in good faith, however no representation, warranty, assurance or undertaking (express or implied) is or will be made, and no responsibility or liability is or will be accepted by BsI in relation to the adequacy, accuracy, completeness or reasonableness of this publication. All and any such responsibility and liability is expressly disclaimed to the full extent permitted by the law. This publication is provided as is, and is to be used at the recipient's own risk. The recipient is advised to consider seeking professional guidance with respect to its use of this publication. This publication is not intended to constitute a contract. Users are responsible for its correct application. This publication is not to be regarded as a British Standard. @ The British Standards Institution 2024 Published by BSI Standards Limited 2024 ISBN 9780 539176377 ICS 11.040.70 Compliance with a Published Document cannot confer immunity from legal obligations. This Published Document was published under the authority of the Standards Policy and Strategy Committee on 31 July 2024. Amendments/corrigenda issued since publication Date Text affected PD IS0/TS 6838:2024 Technical ISO Specification ISO/TS 6838 First edition Ophthalmic optics Contact lenses 2024-07 - Tolerances and methods for measurement of multifocal contact lens addition power Optique ophtalmique - Lentilles de contact - Tolérances et méthodes de mesure de la puissance additionnelle des lentilles de contact multifocales Reference number ISO/TS 6838:2024(en) @ ISO 2024