ISO INTERNATIONAL STANDARD 10940 Second edition 2009-08-01 Ophthalmic instruments Fundus cameras Instruments ophtalmiques Appareils photographiques du fond de I'ceil Reference number ISO 10940:2009(E) @ ISO 2009 by IHS under lic itted without license from IHS Not for Resale ISO 10940:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT @ ISO2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 2009 - All rights reserved Tby IHS unde I without license from IHS Not for Resale ISO 10940:2009(E) Contents Page Foreword IV 1 Scope 2 Normative references 3 Terms and definitions. 4 Requirements 4.1 General, 4.2 Optical properties 4.3 Constructionandfunction..... 4.4 Optical radiation hazard with fundus cameras.. 5 Test methods for checking the optical properties .... 5.1 General.... 5.2 Test target arrangement. 5.3 Checking the resolving power of the fundus camera optics ..... 5.4 Checking the angular field of view... 5.5 Checking the magnification of the image... 5.6 Checking the pixel pitch of a sensor on the fundus 6 Accompanying documents. 7 Marking. Annex A (normative) Guidance for the measurement and calculation of the light hazard related values... AnnexB(informative)Guidanceforsafeuseofthefunduscamera.. Copyright International Organization for Standardizalon ghts reserved ii nse from IHS Not for Resale