Lower the FadeDistance to something like 10, pass the output from the Depth Fade through a One Minus node to invert it, and then combine it with your fresnel. It also looks better if your material is two sided.
Lower the FadeDistance to something like 10, pass the output from the Depth Fade through a One Minus node to invert it, and then combine it with your fresnel. It also looks better if your material is two sided.