Hlw sir,         I Have 3 flowerhorns, in the 3*1*1.5ht tank, they separated by a separator glass, 1 fish suffering from pop eyes (2 eyes), 1eye have a white spot (white layer like center spot),  it is loss 100% vision, another eye extended like tumor and also full cloud layer(blurred white layer) on the eye, but it is have some vision, I used to treat tetracycline capsule & ofloxacin eye drops, but no changes found found, I changed the full water and cleaned every week, what can i do next Step??