I would strip and place them in a bare bottom tank, if you have one. Feed her up and put her back as soon as possible to avoid her losing her place in the group just my opinion ! Good Luck :bounce:
I could be a number of things :-? Have a read and see if you can pinpoint the course. Good you have moved him ! all the best
http://www.aquaticcommunity.com/disease/eyeproblems.php