Well you understand just because YOU always find a chansey with Lucky punch that that is simply anecdotal evidence, even if you don't want to beleive it, Chansey only has a 50% chance of holding Lucky Egg:
http://www.serebii.net/pokedex-xy/113.shtml Regardless of what you run into, those numbers are coded into the game. If a pokemon has 100% of holding an item, by definition it can't be holding any other item. Ever. Or else it wouldn't be 100%. So to answer your question, yes, Compound Eyes does increase the chance of finding the items by the posted amounts.