A gaze guidance arrangement is formed in a device for imaging an eye, the device being wearable on the object to be examined or otherwise placeable to the front of an eye or eyes. The device comprises one or more camera arrangements and an illumination arrangement. The gaze guidance arrangement comprises a visual target, to which the gaze is supposed to be directed, in order to reach the desired position of the eye, and a control arrangement that guides the gaze guidance arrangement. The control arrangement is at least partly located in said device and further guides the imaging process of the device and the device takes images automatically when the eye is in a predetermined position to which the visual target has directed said eye. The gaze guidance arrangement comprises one or more target formation arrangements that is provided to form a visual target, the location of which in respect of the eye or the viewing direction of the eye or to both can be changed, and the location of the visual target is determined such that as the eye is directed to it or in its direction, it is in said predetermined position.