Under non-sequential mode, you may use >FeX<L
8I =2lK
Toroidal Lens which support aspheric surface `'DmDg
KjD/o?JUr
or you may use Biconic Lens if you make use of conic constant alone to create aspheric surface. }7b%HTF=
\"7*{L:
Hope this would help, bu tbear in mind that diffraction effect is not modelable in non-sequential mode.