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1、BRITISH STANDARD BS EN ISO 8980-1:2004 BS 2738-6:2004 Ophthalmic optics Uncut finished spectacle lenses Part 1: Specifications for single-vision and multifocal lenses The European Standard EN ISO 8980-1:2004 has the status of a British Standard ICS 11.040.70 ? Incorporating Corrigendum No. 1 License
2、d Copy: sheffieldun sheffieldun, na, Sat Nov 18 01:40:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 8980-1:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 12 March 2004 ISBN 0 580 43537 7 National foreword The UK participation
3、in its preparation was entrusted by Technical Committee CH/172, Ophthalmic optics, to Subcommittee CH/172/3, Spectacles, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which
4、 implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publicati
5、on does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; monitor related international and European
6、 developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii to iv, pages 1 to 9, the Annex ZA page, an inside back cover and a back cover. The BSI copyright n
7、otice displayed in this document indicates when the document was last issued. This British Standard is the official English language version of EN ISO 8980-1:2004 including Corrigendum September 2006. It is identical with ISO 8980-1:2004. It supersedes BS EN ISO 8980-1:1997 which is withdrawn. BSI 2
8、006 Amendments issued since publication Amd. No. DateComments 16710 Corrigendum No. 1 31 October 2006Change to note in Table 4 present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; Licensed Copy: shef
9、fieldun sheffieldun, na, Sat Nov 18 01:40:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 8980-1 February 2004 ICS 11.040.70 Supersedes EN ISO 8980-1:1997 English version Ophthalmic optics - Uncut finished spectacle lenses - Part 1: Specificatio
10、ns for single-vision and multifocal lenses (ISO 8980- 1:2004) Optique ophtalmique - Verres de lunettes finis non dtours - Partie 1: Spcifications pour les verres progressifs (ISO 8980-1:2004) Augenoptik - Rohkantige fertige Brillenglser - Teil 1: Anforderungen an Ein- und Mehrstrkenglser (ISO 8980-
11、1:2004) This European Standard was approved by CEN on 6 January 2004. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographi
12、cal references concerning such national standards may be obtained on application to the Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN me
13、mber into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lith
14、uania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CENAll
15、rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 8980-1:2004 E Incorporating Corrigendum September 2006 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 01:40:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI I NESO 98-08:12( 400E) 2
16、Foreword This document (EN ISO 8980-1:2004) has been prepared by Technical Committee ISO/TC 172 “Optics and optical instruments“ in collaboration with Technical Committee CEN/TC 170 “Ophthalmic optics“, the secretariat of which is held by DIN. This European Standard shall be given the status of a na
17、tional standard, either by publication of an identical text or by endorsement, at the latest by August 2004, and conflicting national standards shall be withdrawn at the latest by August 2004. This document supersedes EN ISO 8980-1:1997. According to the CEN/CENELEC Internal Regulations, the nationa
18、l standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portu
19、gal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of ISO 8980-1:2004 has been approved by CEN as EN ISO 8980-1:2004 without any modifications. NOTE Normative references to International Standards are listed in annex ZA (normative). EN ISO 89801:2004
20、Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 01:40:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference number ISO 8980-1:2004(E) OSI 4002 INTERNATIONAL STANDARD ISO 8980-1 Third edition 2004-02-01 Ophthalmic optics Uncut finished spectacle lenses Part 1: Specifications for single-visio
21、n and multifocal lenses Optique ophtalmique Verres de lunettes finis non dtours Partie 1: Spcifications pour les verres unifocaux et multifocaux EN ISO 89801:2004 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 01:40:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS-0898 O1:(4002E) DPlcsid Fre
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26、euqer ehe.r ISO cirypothg fofice saCe tsopale 65 eneG 1121-HC 02 av leT. 4 + 10 947 22 1 11 xaF0 947 22 14 + 9 74 E-mial coirypthgis.o gro We bwww.is.o gro ii ISO 4002 Allr ithgsr esedevr Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 01:40:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS-08
27、98 O1:(4002E) I SO 4002 All irthgs ersedevr iii Contents Page Forewordiv 1 Scope1 2 Normative references .1 3 Terms and definitions.1 4 Classification.2 5 Requirements 2 6 Test methods.6 7 Identification8 8 Reference to this part of ISO 8980 8 Annex A (informative) Material and surface quality9 EN I
28、SO 89801:2004 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 01:40:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS-0898 O1:(4002E) iv I SO 4002 All irthgs ersedevr Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO m
29、ember bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governm
30、ental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Dir
31、ectives, 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 bo
32、dies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 8980-1 was prepared by Technical Committee ISO/TC 172, Optics and photonics,
33、 Subcommittee SC 7, Ophthalmic optics and instruments. This third edition cancels and replaces the second edition (ISO 8980-1:1996), which has been technically revised. ISO 8980 consists of the following parts, under the general title Ophthalmic optics Uncut finished spectacle lenses: Part 1: Specif
34、ications for single-vision and multifocal lenses Part 2: Specifications for progressive power lenses Part 3: Transmittance specifications and test methods Part 4: Specifications and test methods for anti-reflective coatings Part 5: Minimum requirements for spectacle lenses claimed to be abrasion-res
35、istant EN ISO 89801:2004 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 01:40:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI INTENRATIONAL TSANDADR IS-0898 O1:(4002E) ISO 2004 All rights reserved 1 Ophthalmic optics Uncut finished spectacle lenses Part 1: Specifications for single-vision and
36、multifocal lenses 1 Scope This part of ISO 8980 specifies requirements for the optical and geometrical properties for uncut finished single-vision and multifocal spectacle lenses. 2 Normative references The following referenced documents are indispensable for the application of this document. For da
37、ted references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 7944, Optics and optical instruments Reference wavelengths ISO 8429, Optics and optical instruments Ophthalmology Graduated dial scale ISO 859
38、8, Optics and optical instruments Focimeters ISO 13666, Ophthalmic optics Spectacle lenses Vocabulary ISO 14889:2003, Ophthalmic optics Spectacle lenses Fundamental requirements for uncut finished lenses 3 Terms and definitions For the purposes of this document, the terms and definitions given in IS
39、O 13666 as well as the following apply. 3.1 focimeter, focal point on axis FOA focimeter focimeter in which the focal point of the focimeter remains on the axis of the focimeter when the lens under test is measured at a point of the lens where prism is not zero See Figure 1. NOTE Examples of this de
40、sign include all manual focusing focimeters and some automatic focimeters. 3.2 focimeter, infinite on axis IOA focimeter focimeter in which the collimated beam coincides with the focimeter axis and the focal point of the focimeter goes off the axis of the focimeter when the lens under test is measur
41、ed at a point of the lens where prism is not zero 1 egaP 4002:10898 OSI NE EN ISO 89801:2004 1 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 01:40:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO 8980-1:2004(E) 2 ISO 2004 All rights reserved See Figure 2. NOTE Some automatic focimeters use
42、 this design. Key 1 focimeters optical axis 2 lens 3 focimeter lens support 4 focal point on the optical axis Key 1 focimeters optical axis 2 lens 3 focimeter lens support 4 infinite on the optical axis Figure 1 FOA Focimeter Figure 2 IOA Focimeter 4 Classification Finished lenses are classified as
43、follows: a) single-vision finished lenses; b) multifocal finished lenses; c) progressive power finished lenses. 5 Requirements 5.1 General The tolerances shall apply at a temperature of 23 C 5 C. Pa2 eg E4002:10898 OSI N EN ISO 89801:2004 2 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 01:4
44、0:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO 8980-1:2004(E) I SO 4002 All irthgs ersedevr 3 5.2 Optical requirements 5.2.1 General The optical tolerances shall apply at the reference points of the lens at one of the reference wavelengths specified in ISO 7944. The as-worn position can result
45、in the apparent power to the eye being different from that determined as a result of the focimeter measurement. If the manufacturer has applied corrections to compensate for the as-worn position, then the tolerances shall apply to the corrected value and this corrected value shall be stated by the m
46、anufacturer on the package or in an accompanying document (see Clause 7). 5.2.2 Tolerances on the focal power of single-vision lenses and multifocal lenses for the distance portion (back vertex power) 5.2.2.1 Focal power The focal power shall be determined using a focimeter complying with ISO 8598 a
47、nd using the method described in 6.2 or an equivalent method. NOTE An ISO Technical Report is currently under preparation, which describes those parameters affecting the accuracy and inter- and intra-instruments repeatability of measurement with focimeters, both in general and in relation to off-axi
48、s measurements, e.g. the near portion of multifocal and progressive power lenses. 5.2.2.2 Tolerances on the focal power of lenses Spectacle lenses shall comply with the tolerances on the power of each principal meridian, A, and with the tolerances on the cylindrical power, B (see Table 1). Table 1 T
49、olerances on the focal power of lenses Values in dioptres1) Tolerance on the absolute cylindrical power B Power of principal meridian with higher absolute focal power Tolerance on the focal power of each principal meridian, A W 0,00 and u 0,75 0,75 and u 4,00 4,00 and u 6,00 6,00 W 0,00 and u 3,00 0,12 0,09 0,12 0,18 3,00 and u 6,00 0,12 0,12 0,12 0,18 0,25 6,00 and u 9,00 0,12 0