Mareks Disease?! HELP!!! :(

[fruitface15]

This is my Bantam Chocolate Orpington cockerel who is 7 months old. I was looking at his eye today and noticed the outer edge of his iris is lighter than the inner. Does this look like mareks? He shows no other signs of mareks!
(One photo is on flash and the other isn't)

 

[Lothiriel]

Duplicate thread. See here: https://www.backyardchickens.com/t/896893/does-my-roo-have-mareks-help#post_13649031