While {TAIL ~ the front or outer lens surface} will have the aspheric configuration described above, the back or inner lens surface will have a different shape which, together with the front lens surface, will result in {HEAD ~ a plano}, substantially plano or zero power optical design 
While { TAIL ~ the front or outer lens surface } will have the aspheric configuration described above , the back or inner lens surface will have a different shape which , together with the front lens surface , will result in { HEAD ~ a plano } , substantially plano or zero power optical design
OTH TAIL TAIL TAIL TAIL TAIL 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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH