{HEAD ~ The image} originating from {TAIL ~ the dominated eye} is more precise since it is formed by the central spherical zone 13 of lens 3 
originating from
{ HEAD ~ The image } originating from { TAIL ~ the dominated eye } is more precise since it is formed by the central spherical zone 13 of lens 3
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH