Device and method for investigating diagnosing or helping to diagnose and treating functional vision problems which device is formed by an apparatus which includes functional assemblies (2) intended to be placed in front of the user s eyes each functional assembly (2) comprising a display type screen (5) lens type elements (6) a camera (7) for capturing images and light projection spotlights (8) which functional assemblies (2) are connected to an electronic unit (10) to which are connected in turn a computer (11) a system for detecting external variables (12 13) an audio intercommunication system (14 15) and a control means (16) for determining functional vision problems and performing exercises for correcting said problems.
