User blog comment:Sorairo/Aura, Dust, and the RWBY Panel/@comment-11188061-20130823055451/@comment-11188061-20130823070305

The silver eye thing obviously is an assumption.

But obviously Ozpin was expecting Ruby to have any eye color but silver. There is a special meaning to this obviously, but as of now I cannot phantom what (though I will try to speculate soon).