This document is prepared in accordance with GB/T1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents". The technical content of this part has been modified using QB/T2506-2017 "Spectacle Lenses Optical Resin Lenses". The main technical differences with QB/T2506-2017 are as follows:
——Added anti-fog performance technical requirements and test methods;
——Added anti-fog performance technical requirements for light irradiation resistance. This document is proposed and managed by the Danyang Optical Chamber of Commerce.