I love the concept and colors! Forgive me but I have critique for you again XD It's about the second iris, the one more to our right. If you understand eyeball, is a ball, and it curves. The second iris you drawn doesn't represent that, the fact it's just another full circle instead of ellipse makes the eye feel flat. It's again perspective issue. Here are few references, you can look and compare: [link][link]
Your picture is again symbolic and it's yours, I just wanted to share my thought, hope you don't mind
This condition is called pupula duplex--"double pupil." I guess it really does exist in a small number of people. I wonder what their vision would be like. Anyway, cool painting, even if the paper isn't so great.