International iSo Standard ISO7921 Ophthalmic optics and First edition instruments Near reading charts 2024-02 Optique et instruments ophtalmiques - Tableaux d'optotypes utilisés pour la mesure de I'acuité de lecture en vision de pres Reference number ISO 7921:2024(en) @ ISO 2024 IS0 7921:2024(en) COPYRIGHT PROTECTED DOCUMENT @IS02024 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland @ IS0 2024 - All rights reserved ii