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1、AS 2228.21992 Australian Standard Spectacles Part 2: Spectacle frames Title allocated by Defence Cataloguing Authority: SPECTACLE FRAMES NSC 6540 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 14 Feb 2008 This Australian Standard was prepared by Committee MS/24, Ophthalmic Optics. It was approved on b
2、ehalf of the Council of Standards Australia on 15 May 1992 and published on 17 August 1992. The following interests are represented on Committee MS/24: Australian Association of Dispensing Opticians Australian Chamber of Commerce Australian Medical Devices and Diagnostics Association Australian Opto
3、metrical Association Confederation of Australian Industry Guild of Dispensing Opticians Macquarie University Optical Distributors and Manufacturers Association of Australia Queensland University of Technology Royal Australian College of Ophthalmologists Victorian College of Optometry University of N
4、ew South Wales Review of Australian Standards. To keep abreast of progress in industry, Australian Standards are subject to periodic review and are kept up to date by the issue of amendments or new editions as necessary. It is important therefore that Standards users ensure that they are in possessi
5、on of the latest edition, and any amendments thereto. Full details of all Australian Standards and related publications will be found in the Standards Australia Catalogue of Publications; this information is supplemented each month by the magazine The Australian Standard, which subscribing members r
6、eceive, and which gives details of new publications, new editions and amendments, and of withdrawn Standards. Suggestions for improvements to Australian Standards, addressed to the head office of Standards Australia, are welcomed. Notification of any inaccuracy or ambiguity found in an Australian St
7、andard should be made without delay in order that the matter may be investigated and appropriate action taken. This Standard was issued in draft form for comment as DR 91706. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 14 Feb 2008 AS 2228.21992 Australian Standard Spectacles Part 2: Spectacle frame
8、s First published as AS 2228.21992. PUBLISHED BY STANDARDS AUSTRALIA (STANDARDS ASSOCIATION OF AUSTRALIA) 1 THE CRESCENT, HOMEBUSH, NSW 2140 ISBN 0 7262 7593 X Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 14 Feb 2008 AS 2228.219922 PREFACE This Standard was prepared by the Standards Australia Commit
9、tee on Ophthalmic Optics to become Part 2 of the complete revision of AS 22281978, Spectacle lenses. This Standard is now divided into two parts. Part 1 gives separate consideration to semi-finished lens blanks, finished stock lenses and surfaced edged and mounted lenses, and separate optical and ge
10、ometric tolerances for each type are given. Part 2 contains the basic requirements for unglazed spectacle frames, and includes performance requirements, testing requirements, a method of frame measurement and specifications for frame marking. During the development of the Standard, reference was mad
11、e to the following documentation: BS 3521Glossary of terms relating to ophthalmic lenses and spectacle frames Part 2: Glossary relating to spectacle frames 6625Specification for spectacle frames ISO 7998Optics and optical instruments Spectacle frames Vocabulary and lists ofequivalent terms 8624Optic
12、s and optical instrumentsOphthalmic optics Measuring system for spectacle frames 9456Optics and optical instruments Ophthalmic optics Marking of spectacle frames Acknowledgment is made of the assistance received from these sources. CopyrightSTANDARDS AUSTRALIA Users of Standards are reminded that co
13、pyright subsists in all Standards Australia publications and software. Except where the Copyright Act allows and except where provided for below no publications or software produced by Standards Australia may be reproduced, stored in a retrieval system in any form or transmitted by any means without
14、 prior permission in writing from Standards Australia. Permission may be conditional on an appropriate royalty payment. Requests for permission and information on commercial software royalties should be directed to the head office of Standards Australia. Standards Australia will permit up to 10 perc
15、ent of the technical content pages of a Standard to be copied for use exclusively in-house by purchasers of the Standard without payment of a royalty or advice to Standards Australia. Standards Australia will also permit the inclusion of its copyright material in computer software programs for no ro
16、yalty payment provided such programs are used exclusively in-house by the creators of the programs. Care should be taken to ensure that material used is from the current edition of the Standard and that it is updated whenever the Standard is amended or revised. The number and date of the Standard sh
17、ould therefore be clearly identified. The use of material in print form or in computer software programs to be used commercially, with or without payment, or in commercial contracts is subject to the payment of a royalty. This policy may be varied by Standards Australia at any time. Accessed by UNIV
18、ERSITY OF SOUTH AUSTRALIA on 14 Feb 2008 3AS 2228.21992 CONTENTS Page SECTION 1 SCOPE AND GENERAL 1.1 SCOPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 1.2 REFERENCED DOCUMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19、 . . . . .4 1.3 DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 SECTION 2 PERFORMANCE REQUIREMENTS 2.1 GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 2.2 TESTING . . . . . . . .
20、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 SECTION 3 MEASUREMENT SYSTEM AND DIMENSIONAL TOLERANCES 3.1 MEASUREMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 3.2 DIMENSIONAL TOLERANCES . . . . . . . . . . .
21、 . . . . . . . . . . . . . . . . . . . . . . . .14 SECTION 4 MARKING 4.1 MARKING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 4.2 ADDITIONAL INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 APPENDICES AENDURANC
22、E TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 BCORROSION/NEUTRAL SALT SPRAY TEST FOR GRADE A SPECTACLE FRAMES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 CCORROSION/PERSPIRATION TEST FOR GR
23、ADE A AND GRADE B SPEC- TACLE FRAMES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 DDETERMINATION OF BRIDGE STRENGTH . . . . . . . . . . . . . . . . . . . . . . . . .21 EFLAMMABILITY TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24、 . . . . . . .22 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 14 Feb 2008 AS 2228.219924 STANDARDS AUSTRALIA Australian Standard Spectacles Part 2: Spectacle frames SECTION 1 SCOPE AND GENERAL 1.1SCOPEThis Standard specifies requirements for unglazed spectacle frames made from all types of materials
25、 and intended for use with corrective lenses. It establishes two grades based on performance: (a)Grade A: all spectacle frames except those specified as grade B. (b) Grade B: metal spectacle frames for younger children where it is anticipated that the period of use will not exceed one year. Measurin
26、g and marking methods for spectacle frames are also specified. NOTES: 1Requirements for spectacle lenses are given in AS 2228.1. 2This Standard does not apply to products used for eye protection against industrial hazards (which are covered by AS 1337) other than frames for safety spectacles, or to
27、frames for non-prescription sunglasses (which are covered by AS 1067, Parts 1 and 2). 1.2REFERENCED DOCUMENTSThe following documents are referred to in this Standard: AS 1067Sunglasses and fashion spectacles 1067.1Part 1: Safety requirements 1067.2Part 2: Performance requirements 1337Eye protectors
28、for industrial applications 2228Spectacles 2228.1Part 1: Spectacle lenses 2331Methods of test for metallic and related coatings 2331.3.1 Method 3.1: Corrosion and related property testsNeutral salt spray (NSS) test 1.3DEFINITIONSFor the purposes of this Standard, the definitions given in Table 3.1 a
29、nd those below shall apply. 1.3.1General definitions 1.3.1.1Spectacle framea device for supporting spectacle lenses before the eyes, usually resting on the bridge of the nose and being held in place by sides which project towards or over the ears. 1.3.1.2Spectaclesa spectacle frame to which lenses h
30、ave been mounted. 1.3.2Types of frames 1.3.2.1Combination framea frame in which some essential parts of the front are made of plastics or similar material, and other essential parts are made of metal. (See Figures 1.1 and 1.2.) 1.3.2.2Metal framea frame in which the front is made primarily of metal.
31、 (See Figure 1.3.) 1.3.2.3Plastic framea frame in which the front is made primarily of a plastics material or of a natural material of similar properties. (See Figure 1.4.) 1.3.2.4Rimless spectacle framea spectacle frame without rims to support the lenses, the bridge and sides being attached directl
32、y to the lenses. (See Figure 1.5.) 1.3.2.5Semi-rimless spectacle framea spectacle frame in which the rim does not fully enclose the lens, being continuous from the bridge to each side around only part of the lens (usually the upper part). The lens is often supported around the rest of its circumfere
33、nce by a retaining cord. (See Figure 1.5.) 1.3.3Parts of frames general terms 1.3.3.1Anatomic sidea side in which the drop is shaped to conform with the back of the ear. 1.3.3.2Barrelthat part of a hinge which encloses the screw or pin. See also front plate. 1.3.3.3Brace barsee bridge brace. COPYRIG
34、HT Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 14 Feb 2008 5AS 2228.21992 1.3.3.4Bridgethat part of the front which forms the main connection between the lenses or rims. The bridge assembly is generally taken to include the pads, if any. In the presence of a bridge brace, it may be called the lower
35、 bridge. 1.3.3.5Bridge bracea strengthening bar joining the rims, additional to the main bridge. Also known as the brace bar or upper bridge. 1.3.3.6Browbarthe bar of a combination frame to which the sides, bridge, rims and sometimes the pads are attached. 1.3.3.7Browbar lugthe screw, rivet or pin a
36、ttaching the rims to the browbar of a combination frame. 1.3.3.8Buttthat part of a side to which the lug or hinge is attached. Also known as a cable. 1.3.3.9Cablesee butt. 1.3.3.10Closing blocksee rimlock. 1.3.3.11Colletthe ferrule separating the tip from the butt of a side. 1.3.3.12Comfort bridgese
37、e saddle bridge. 1.3.3.13Concealed hingesee hidden hinge. 1.3.3.14Corethe wire which is sometimes moulded into a side to provide flexibility and strength. 1.3.3.15Counterplate a backing plate to which screws or rivets are fastened. 1.3.3.16Curl sidea side with a spring drop which conforms to the bac
38、k of the ear. Also known as a riding bow side. 1.3.3.17Dropthat part of a side which is curved down to fit behind the ear, and extending from the earbend to the tip. 1.3.3.18Drop end sidesee hockey side. 1.3.3.19Earbend the bend in a side that defines the beginning of the drop. 1.3.3.20End cover see
39、 tip. 1.3.3.21Endpiecesee lug. 1.3.3.22Eyewiresee rim. 1.3.3.23Flex hingesee sprung hinge. 1.3.3.24Frontthe part of the frame or mount comprising the bridge, rims (if any) and hinges or lugs (or both). 1.3.3.25Front platethe plate to which the hinge barrel is attached. 1.3.3.26Golf sidesee hockey si
40、de. 1.3.3.27Half-hingeeach of the two parts of a hinge which is attached either to the front or the side and assembled to the other half-hinge by means of a screw, rivet or pin. Also known as a half joint. See also hinge. 1.3.3.28Half-jointsee half-hinge. 1.3.3.29Hidden hingea hinge whose mounting s
41、urfaces are fully contained by the front or side (or both) so that only the barrel is visible. Also known as a concealed hinge. See also recessed hinge. 1.3.3.30Hingemay be either (a)the hinge linking the side and the front; or (b) that part of, or attachment to, the rim which provides the means of
42、pivoting the side or closing the rim upon the lens (or both). Also known as a joint. For examples of hinge types and components, see Figure 1.6. 1.3.3.31Hockey sidea side resembling a hockey stick, with a single sharp bend defining the drop. Also known as drop end side, golf side or skull side. 1.3.
43、3.32Hoodsee top rim. 1.3.3.33Interconnected padsee twin pad. 1.3.3.34Joint see hinge, half-hinge. 1.3.3.35Keyhole bridgea bridge designed to contact the nose on the pads only, and not on the interconnecting bar. See also saddle bridge. 1.3.3.36Library sidea side which is straight, or in which the be
44、nd defining the drop is slight. 1.3.3.37Lower bridgesee bridge. COPYRIGHT Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 14 Feb 2008 AS 2228.219926 1.3.3.38Lugan extension at each end of the front or side (or both) which incorporates the hinge or to which the hinge is attached. Also known as endpiece.
45、 For examples of lug types, see Figure 1.7. 1.3.3.39Mitrethe chamfer of a hinge, front plate or lug which allows the two half-hinges or lugs to mate. 1.3.3.40Monoblock hingea combination in one unit of a hinge, barrel, rimlock and lug. 1.3.3.41Open bridgesee saddle bridge. 1.3.3.42Padan extension of
46、, or attachment to, the bridge or the rim to bear on the nose. 1.3.3.43Pad armthe arm which connects a pad to the front or bridge. 1.3.3.44Pinless hinge a hinge which is moulded into the front or side and does not require rivets or pins for attachment. 1.3.3.45Recessed hinge a hinge whose surfaces a
47、re flush with the surfaces of the front or side (or both). See also hidden hinge. 1.3.3.46Retaining cordthe cord in a semi-rimless frame which surrounds the lens between the limits of the rim. 1.3.3.47Riding bow sidesee curl side. 1.3.3.48Rimthat part of a frame which partly or completely surrounds
48、the lens. Also known as an eyewire. 1.3.3.49Rimlockthe block at each end of a metal rim through which a screw passes to close the rim. Also known as a closing block or tube. 1.3.3.50Rivet platea trim plate to which one, two or more rivets are mounted and used to attach a hinge to a front or side. Al
49、so known as a shield rivet. 1.3.3.51Saddle bridgea bridge in which all points are designed to contact the nose. Also known as a comfort bridge or open bridge. 1.3.3.52Shield rivetsee rivet plate. 1.3.3.53Sidean extension of, or attachment to, the front passing towards or over the ear. Also known as a side arm or temple. For examples of side types, see Figure 1.8. 1.3.3.54Side armsee side. 1.3.3.55Skull sidesee hockey side. 1.3.3.56Spinning see winding. 1.3.3.57Sprung hingea hinge which is designed to allow