1. A retinal display projection device comprising: a projection component arranged for projecting an image directly onto the retina of a user wearing the device, by projecting a beam onto the retina of a user and scanning the beam across the user's retina; the projection component being mounted outside a normal field of view of the user, such that the user has to change a gazing direction to see the projection component; an eye gaze detection module including an image sensor and a processor and arranged to obtain and analyze a plurality of eye images of at least one of a user's eyes and to activate the projection component if the image analysis shows that a pupil of the user is in a predetermined position in said eye image, wherein the predetermined position is offset by at least 15 degrees from a normal position of the pupil in the eye image, and to automatically deactivate the projection component if the image analysis shows that a pupil of the user is not in the predetermined position in said eye image, such that no image is presented to the user unless the pupil of the user is in said predetermined position in said eye image, and a control for activating and deactivating the projection component by the user.