I've use melafix to treat a fish with shredded fins. The fish healed nicely in a qt tank. Wether the melafix did it or the qt peace and quiet did ,I don't know.
the cloudy eyes could be a number of things: bacterial or fungal ifection to a wound or flukes treatable with prazipro. This thread may be relevant.
http://archive.reefcentral.com/forum...5#post11276835