Eye Texture development
Mental ray render of a human texture eye, Hope you like the final render views. Some techniques used if you have interest in these things, Created in Maya. Transparency was use for the eyeball, after textures and bump map was apply, and for the iris, texture and specular with a final projection for the texture before rendering with mental ray. Take care.
Texture Map
Iris color map used.
 
Diffuse and specular map
The necessary blood vessels in the eye.