| Theme | Master UDI-DI |
| Target Audience | Manufacturers |
| Products concerned | Contact lenses and spectacle frames, spectacle lenses and ready-to-wear reading spectacles |
This MDCG guide provides guidelines for the implementation of the UDI-DI master for spectacle frames, spectacle lenses and ready-to-wear reading glasses with regard to:
- the structure of the UDI-DI master,
- assignment,
- labelling
- and registration in Eudamed.