| Theme | Highly individualised devices UDI | 
| Target Audience | Manufacturers, notified bodies | 
| Products concerned | Highly individualised MD : contact lenses | 
| Documents mentioned | 
 MDR (EU) 2017/745 – Annex VI part C MDCG 2018-1  | 
This Guide details the procedures for allocating a master UDI-DI for contact lenses, which are highly individualised devices, and in particular the following provisions:
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- Allocation of the master UDI-DI for standard contact lenses and those manufactured to order
 - Affixing the master UDI-DI to the container, packaging levels and packaging variants
 - Use of the master UDI-DI in declarations of vigilance (MIR) for RDM-compliant contact lenses and contact lenses that are legacy devices
 - Timetable for application of the UDI-DI master
 - Registration of devices in Eudamed
 
 
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