Under non-sequential mode, you may use c3 ]^f6)?
hI#M {cz
Toroidal Lens which support aspheric surface RBojT
sn-+F%[
or you may use Biconic Lens if you make use of conic constant alone to create aspheric surface. (Y@|h%1W
i{RS/,h4
Hope this would help, bu tbear in mind that diffraction effect is not modelable in non-sequential mode.