Fish losing eyes !!

[suby7272]

Hi guys

Three of my Rainbow Fish have lost their eyes in just two days !!
I donot know what's causing this. Could this be due to some disease, or is it because I have a BGKF in my tank ? All of these fish were fine when I checked on them while feeding them at night.
If this due to a disease please tell me how do i get rid of this ?

Regards

Suby

 

[Puffernewbee]

Do you have any other fish in the tank? Could be an agressive tank mate.

 

[suby7272]

Besides rainbows and bgkfs I only have some small loaches.
Just wondering, how likely is it for a bgkf to have done this ??
Can any disease cause this ??