Under non-sequential mode, you may use *(i%\
}PDtx:T-
Toroidal Lens which support aspheric surface `\3RFr
YLSDJ$K6
or you may use Biconic Lens if you make use of conic constant alone to create aspheric surface. ?=kH}'igq
YCzH@94QeV
Hope this would help, bu tbear in mind that diffraction effect is not modelable in non-sequential mode.