As discussed in detail below, {HEAD ~ the local normals} and local spatial locations of {TAIL ~ surfaces} 201 and 202 are adjusted so that images produced by the at least one image display system cover at least 100°, e.g., in certain embodiments, at least 150° and, in other embodiments, at least 200°, of horizontal FOV for each eye 
As discussed in detail below , { HEAD ~ the local normals } and local spatial locations of { TAIL ~ surfaces } 201 and 202 are adjusted so that images produced by the at least one image display system cover at least 100 ° , e.g. , in certain embodiments , at least 150 ° and , in other embodiments , at least 200 ° , of horizontal FOV for each eye
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH