By the way, you can work very hard with the V4 eye (or any Poser figure) and never achieve realism, except in limited situations. Nobody has built an eye correctly, ever. Except me.

Here's a render comparing the standard V4 eye with an eye that I built for Antonia. I adapted it here to work with the V4 UV mapping.  I'm almost certain you should be able to figure out which is which without me telling you.

I still haven't decided if I'm going to give this eye away under a Creative Commons license, as a freebie in general but still retain the rights myself, or as a commercial item (except the Antonia version). The Antonia version will be some kind of free, just not sure about the CC business.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)