I was going to write the same - but got busy today. When somebody says "My ___ is set to .03" they are saying nothing.

.03 WHAT? Feet? Miles? Millimeters?

I'm still mystified why this matters - ray bias isn't supposed to apply to transparency, and certainly not to objects other than where it is set. In this case, you guys are showing me that the refract ray bias on the lens is altering how light works on the eyes. That is news to me.

In any case, so be it. Observe my signature. MY DISPLAY UNITS ARE INCHES.

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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)