This part of ISO 10685 specifies the technical information and file format used for trading spectacle frames and sunglasses and to optimize the trading and processing of lenses for a given frame.This part of ISO 10685 includes sunglass clip-ons.
DS/EN ISO 10685-3:2013 history
2013DS/EN ISO 10685-3:2013 Ophthalmic optics - Spectacle frames and sunglasses electronic catalogue and identification - Part 3: Technical information