Imaging system for displaying an image in a MRI scanner, which imaging system comprises a projector for projecting the image, a screen for displaying the image, a supporting device constructed and arranged to hold the screen - in use - in a display position in the proximity of an eye of a person positioned in the MRI scanner, a calibration device constructed and arranged to - in use - establish the rotation centre of the eye and comprising at least two calibration objects located at a distance from the screen, wherein the imaging system is constructed and arranged to project at least two corresponding calibration objects on the screen and to allow the person to align a first calibration object with a first corresponding calibration object in a first view direction of the eye and to align a second calibration object with a second corresponding calibration object in a different second view direction of the eye.