I had an ich problem not long ago and from my research the cloudy eyes is a secondary problem once the immune system becomes weakened a bacterial infection can take over and produce cloudy eyes or even bubble eyes (the bubble eyes took my threadfin butterfly as a secondary effect of ich). It's a tough battle because if you treat your tank with meds it affects everything else. If you have pristine water -- I've heard soak food in garlic and give vitamins the fish's own immune system can kick it -- depends on how bad the eyes get they may not clear completely however.
Thats my 2 cents -- may be worth only that though.
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90 gallon with 26 gallon sump/refugium, 2 x 250 MH lighting, 100lbs live rock, 1 - yellow tang,1 damsel, 1 - cleaner shrimp, 1 - coral banded shrimp, 3 - emerald crabs, 2 - porcelin crabs, 6 - peppermint shrimp, 1 - green ricordia, 1 - toadstool, 1 - brittle starfish, 1 - sand sifting star, 100's baby feather dusters,Ass mushrooms, frogspawn, xenia, 1 clam,
6 - Leather coral, Green star polyps,Lime green/orange button polyps,1 huge carpet anenome,various snails/hermit crabs | 
Sick Coral Beauty 
. Everything else looks fine, he is eating and swimming okay.
