Spot light problem

I am doing a model of a pumpkin that it should come out halos from the eyes but it don’t work. It be like this:
What should I do about it? Please help me.

set spot light for Halo and set the Samples at 3 and the Halo steps up, at least 3, but 12 gives the most effect.
I’ll send .blend of quick example if you email me.

Yes, HaloStep set at 0.00 does that.


Thank you.