US Patent 10459226 Rendering of a notification on a head mounted display

A method including determining occurrence of a virtual information region event, the virtual information region event indicating a change of information that is allocated to a virtual information region that is at least partially beyond a field of view of a head mounted display, the virtual information region having a virtual information region location that is in a direction from the field of view, causing rendering of a non-visual notification that is indicative of the direction from the field of view in response to the virtual information region event, receiving information indicative of a visual notification invocation input, determining a visual notification that is visually descriptive of at least one aspect of the virtual information region event in response to the visual notification invocation input, and causing display of the visual notification on the head mounted display is disclosed.