ISO INTERNATIONAL STANDARD 12866 First edition 1999-06-01 Corrected and reprinted 1999-12-01 Ophthalmic instruments Perimeters InstrumentsophtalmiquesPérimetres Reference number ISO12866:1999(E) ted without license from IHS Not for Resale ISO12866:1999(E) Contents 1Scope 2Normativereference 3Termsanddefinitions 4Requirements 4.1General 4.2Specific requirements 4.3 Kinetic perimeters 4.4Static perimeters 5 Test methods.. .6 5.1Checking thebackground luminance. 5.2Checkingstimulusluminance 5.3 Checking the test stimulus location.. 5.4Checkingthetest stimulus size 5.5 Checking the stimulus shape.. ..6 5.6Checkingthestimulusduration ·6 5.7Typetests 6Accompanyingdocuments 7 Marking AnnexA(informative)Goldmannteststimulusspecifications. ..8 AnnexB (informative)Perimetric coordinate systems @ISO1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic nternationalOrganizationforStandardization Case postale 56.CH-1211Geneve20·Switzerland Internet [email protected] Printed in Switzerland @ISO ISO12866:1999(E) Foreword SO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(lSo member bodies). The work of preparing International Standards is normally carried out through IsO technical liaisonwithisO,also takepart inthe work.isO collaborates closely withtheInternationalElectrotechnical Commission (IEC)on allmatters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 3. 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 International Standard ISO 12866 was prepared by Technical Committee ISO/TC 172, Optics and optical instruments, SubcommitteeSC7,Ophthalmicopticsand instruments Annexes Aand B of this International Standard are for information only