Thanks all.
I cheated a bit with the eye. I painted it white, then made a decal from a photo of an iris/pupil I found on the web. I sliced it almost like a pie so it would lay over the spherical shape. I then hit it with a few applications of decal solvent. Once it had set I "varnished" it with Future Floor Polish, and then washed it with some diluted Scale75 ink.