I'm finding that when the eyes are rotated up or down, the inner eyelid penetrates the eyeball and becomes visible within the recessed iris.

This just seemed like something which should be relayed back to the development team.  I'm not complaining. 

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.