AS NZS ISO 7998:2015 pdf free.Ophthalmic optics- Spectacle frames- Lists of equivalent terms and vocabulary.
This International Standard defines commonly used terms relating to frames for spectacles and eyeglasses and lists equivalent terms in English, French, Russian, German, Italian, Spanish, American English, Japanese (with phonetic transcription) and Chinese for parts of such frames.
It is not applicable to goggles.
NOTE 1 In addition to the terms used in the three official ISO languages (English, French and Russian), this International Standard gives the equivalent terms in German, Italian, Spanish, American English, Japanese (with phonetic transcription) and Chinese; these have been included at the request of ISO/TC 172 and are published under the responsibility of the member bodies for Germany (DIN), Italy (UNI), Spain (AENOR), USA (ANSI), Japan (JISC) and China (SAC). However, only the terms and definitions given in the official languages can be considered as ISO terms.
NOTE 2 Illustrations are of typical examples and do not include all possible variations in design, for exampIe, of sprung hinges.
2 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
2.1plastics frame
frame of which the essential parts of the front are made of a plastics material
2.2 frame made of natural organic materials
frame of which the essential parts of the front are made of natural organic materials, having some properties similar to those of a plastics material
NOTE 1 A natural organic material is a material that has not been synthesized from other raw materials and, when processed, remains essentially in its original state.
NOTE 2 For the purposes of terminology, a frame from natural organic materials has the same construction as a plastics frame.
2.3 metal frame
frame of which the essential parts of the front are made of metal
2.4 combination frame
frame of which some essential parts of the front are made of a plastics material, or a natural organic material of similar properties, and other essential parts are made of metal. AS NZS ISO 7998 pdf download.