Your work has so much better quality than this shot shows. Why would you enter a shot like this when your talent and skills are much higher? Were you purposely going for the brown? :(
I think if you are going to do a just-eye image you need to get some light into the eye to bring out the shape and different colors and give it some life. Whatever your light source was here (it looks like it was from below) was not getting into the eye at all.
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