Sorry to hear, cool fish.
I do not know of anything that just clouds the eys or looks like spiderwebs.
Please post pic ifyou can. How about more details? What are your water params ? Have you changed anything recently ? When was your last water change ? Do you have any real plants in the tank ?
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Tank Stuff:
46Gal, 1 AC110, CPR Skimmer, VA Reactor, CL t5 ho 4 x 60 w w/lunar lights , 50 lbs LR, 60lbs LS
FISH:
1 Coral Beauty, 1 Flame Angel, 1 Flame Hawk, 1 Clown Goby, 1 Damsel, 2 Chomis, 1 Black Sailfin Blenny, 1 Royal Gramma
CORAL:
Mushrooms, Anemone, Feather Dusters
INVERT:
hermits different kinds, 2 turbos, 4 Nassarius Snail , Bumblebee, Banded Coral Shrimp, 2 Emeralds, 1 Sally Lightfoot
Params:
Temp 78, PH 8.3, Alk 2.9, Ca 480, Sg 1.023, Dkh 10, Mg 1400, Am .15, N2 .5, N3 10, P4 .05 | 
HELP! SICK FISH!?! Whats wrong with them? 
