Blue tang seems to be blind!

[kurcoba]

Hi. Guys , I need some help, I ve had this blue tang
for about 18 months, it had the ick before(like one year ago).
Ok , everything started about one month ago, when I added
another tang to my tank, by then I was keeping
9 fishes in my tank with no problems, but then
they got the ick, I treated the tank with" No Ick"
with no succes in two weeks I lost 6 fishes
I stopped using the No Ick and just kept feeding vitamins, garlic
and the regular food ,the rest of them (Yellow tang,six lines wrasse,Xmas wrasse)got better but the blue tang ,wich seems to be blind and has lost coloration and still has some white spots, for about 3 days it was hidding in the rocks
and never came out to eat, now I have it in a small
fish container inside of the tank, it's been 3 days I feed it
with the good stuff and it's eating but it doesn't seem to get
any better.
I'm sorry for the very long explanation but I really need help.

Thanx.

 

[Gwynhidwy]

What behavior makes you think the fish is blind?

Just feeding high quality foods does not cure ich. In my opinion, the best that will come of it is allowing the fish's immune system to fight back enough to make the fish a silent carrier. Your description of the fish sounds like a fish that isn't fighting off the infection on its own. I would remove all of your fish from the DT and treat them in a hospital tank, leaving your DT completely fishless for eight or more weeks.