Readability & Display

Reviewed guidance topic

Master UDI-DI

Implementation of Master UDI-DI solutions for specified product groups.

Official catalogue · non-binding

Master UDI-DI guidance (3)

Catalogue entries are ordered as they appear in the European Commission catalogue.

Browse topics
MDCG 2025-8 - rev.1Guidance on the implementation of the Master UDI-DI solution for spectacle frames, spectacle lenses and ready-to-wear reading spectaclesMarch 2026
MDCG 2025-7 Rev 1MDCG Position Paper: Timelines of the implementation of ‘Master UDI-DI’ to contact lenses and spectacle frames, spectacle lenses and ready-to-wear reading spectaclesDecember 2025
MDCG 2024-14 - rev.1Guidance on the implementation of the Master UDI-DI solution for contact lensesAugust 2025