How do I make the red glowing eyes of this robot appear to look like this?

[LBJ]

How do I make the red glowing eyes of this robot appear to look like it’s glowing from behind thick glass?

[Okidoki]

Using vertex colors: black on the outer ring, red in the middle and white in the center and maybmixing with the emmission strength. Or modelling a lense with thickness and using a glass shader…

[Renzatic (Professor Emeritus Billy H. Wafflesmith XIV Esq.)]

I did it like this. Made a sphere, popped it in the front to give it an eye-like indention, made a smaller sphere to act as the glass lens, and pushed it just in front of the dip, then used this shader…

[LBJ]

Thank you!