Under non-sequential mode, you may use r8PXdNg
p4},xQzB
Toroidal Lens which support aspheric surface _3_d;j#G U
G55-{y9Q
or you may use Biconic Lens if you make use of conic constant alone to create aspheric surface. |a!AgvNF
_"BYnPq@wb
Hope this would help, bu tbear in mind that diffraction effect is not modelable in non-sequential mode.