For determine and/or the analysis patient visual field device (27), including fixed part (49), the fixed part (49) is intended to the device for measuring patient visuals function, and described device includes the position suitable for receiving the positioning of patient facial region. Patient. Device (27) further includes that there are two sectors (31 for tool, 33) moveable part (29), each sector includes multiple point light sources, these point light sources, which are arranged to, to be switched on and off, and movable part can move between the deployed position that each sector is located at patients eye opposite. When the face of patient is placed on the position of positioning and retracted position and gearshift of the movable part (29) between retracted position and expanded position.
