If you are registered deaf or are a hearing aid user you qualify for a disabled persons railcard
Oticon Ria2 Pro CIC Hearing Aid
Ria2 uses Oticons newest technology platform called Brainhearing, this allows you to hear alot better in more challenging enviroments. Being able to organise sound and orient yourself with your surroundings. The small and discrete nature of the Ria2 Pro CIC means it requires the user to have good dexterity.