Under non-sequential mode, you may use n$i}r\
so
c;C:$B7
Toroidal Lens which support aspheric surface 96x0'IsaG
$yS7u
or you may use Biconic Lens if you make use of conic constant alone to create aspheric surface. Y;JV9{j
,{!~rSq-l
Hope this would help, bu tbear in mind that diffraction effect is not modelable in non-sequential mode.