ISO/TC 172/SC 7/WG 2 - Spectacle frames
Montures de lunettes
General Information
This document specifies a measuring system for spectacle frames and related vocabulary. It is applicable to spectacle frames with fronts that are intended to be symmetrical.
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ISO 12870:2016 specifies fundamental requirements for unglazed spectacle frames designed for use with all prescription lenses. It is applicable to frames at the point of sale by the manufacturer or supplier to the retailer. This International Standard is applicable to all spectacle frame types, including rimless mounts, semi-rimless mounts and folding spectacle frames. It is also applicable to spectacle frames made from natural organic materials. NOTE See Annex A for recommendations on the design of spectacle frames. ISO 12870:2016 is not applicable to complete custom-made spectacle frames or to products designed specifically to provide personal eye protection.
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ISO 11381:2016 specifies requirements for ISO metric screw threads for use with spectacle frames. Provision is made for screw threads of the following nominal sizes: S0,8 × 0,2; M1,0 × 0,25; M1,2 × 0,25; M1,4 × 0,3; M1,6 × 0,35 and M2,0 × 0,4 and for related taps and gauges.
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ISO/TS 24348:2014 specifies methods for accelerated wear and corrosion, to be used prior to the detection of nickel release from coated metal and combination spectacle frames, and for detecting the release of nickel from those parts of metal and combination spectacle frames, whether coated or not, intended to come into direct and prolonged contact with the skin, in order to determine whether such parts release nickel at a rate greater than 0,5 µg/cm2/week.
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ISO 8624:2011 specifies a measuring system for spectacle frames and related terminology. It is applicable to fronts which are intended to be symmetrical.
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ISO/TS 24348:2007 specifies methods for accelerated wear and corrosion to be used prior to the detection of nickel release from coated metal and combination spectacle frames, and for detecting the release of nickel from those parts of metal and combination spectacle frames, whether coated or not, intended to come into direct and prolonged contact with the skin, in order to determine whether such parts release nickel at a rate greater than 0,5 micrograms per square centimetre per week. ISO/TS 24348:2007 aims to control those spectacle frames that, if produced with materials and/or surface treatments containing nickel, can be worn by nickel-sensitized persons.
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ISO 12870:2004 specifies fundamental requirements for unglazed spectacle frames designed for use with all prescription lenses, and is applicable to frames at the point of sale to the retailer, by the manufacturer or supplier. It is applicable to all spectacle frame types including rimless mounts, semi-rimless mounts and folding spectacle frames. ISO 12870:2004 is applicable to spectacle frames made from natural organic materials. It is not applicable to complete custom-made spectacle frames or to products designed specifically to provide personal eye protection.
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Specifies a measuring system based on the boxing-system which uses a rectangle as the basis for the determination of dimensions. Figure 1 shows a diagrammatic presentation of the measuring system.
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Specifies the information to be marked and its location. Gives recommendations for further information in documentation accompanying the frames or available separately. Annex A is for information only.
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