Unlike prior art composite lenses, {HEAD ~ the ophthalmic lens} can be produced conveniently using {TAIL ~ an insert molding process}, which is a modified cast molding or double side molding process 
produced conveniently using
Unlike prior art composite lenses , { HEAD ~ the ophthalmic lens } can be produced conveniently using { TAIL ~ an insert molding process } , which is a modified cast molding or double side molding process
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH