Absolutely! As bone conduction bypasses your drum membranes, many people who are hearing impaired can still hear a conversation or enjoy music through bone conduction headphones thanks to the bone conduction technology. It can therefore be perfectly used as an auxiliary l for these people. Bone conduction headphones for hearing impaired are for example quite often used by hearing impaired persons when having phone calls.
Moreover, Bone conduction is also a perfect auxiliary for blind and visually impaired people. More info about bone conduction for blind and visually impaired you can find here.