Under non-sequential mode, you may use J^BC
_,;|,
Toroidal Lens which support aspheric surface f_GqJ7Gk]
Wo+'j $k
or you may use Biconic Lens if you make use of conic constant alone to create aspheric surface. cA{zyq26
wWR9dsB.;
Hope this would help, bu tbear in mind that diffraction effect is not modelable in non-sequential mode.