[목적] A UDI-DI is to be assigned to a specific model of device and manufacturer. Contact lenses are available in many variants due to the high number of clinical parameters that characterise them. In accordance with Regulation (EU) 2017/745, an UDI-DI is to be assigned to each of such variants of contact lenses. This individualisation at UDI-DI level, that results in a proliferation of UDI-DIs to..