We are able to perform medical examinations to allow HGV, LGV and PSV renewals and applications

The DVLA sets the medical standards for Group 2 driving licence entitlement.

A D4 Medical Form will need to be filled out by the doctor at the time of your examination. You can download a D4 form here.
There is a very useful explanatory leaflet about the D4 form called INFD4 which can be downloaded here.