Definitions:

7307_105150_0.jpgIntervention
The process that allows individuals who are deafblind to receive visual and auditory information that they are unable to gather on their own, in a way meaningful to them, so they can interact with the environment, thus enabling the person who is deafblind to establish and maintain control over their lives.

Intervenor
A professional who provides Intervention services to an individual who is deafblind.