well alas they dont seem to respond to treatment.If they are pets and not breeders all you can do is treat the symptoms by bathing the eyes,keeping clean and warm which I know you will already be doing.Antibiotics tend to be a waste of time since these things are almost always viral.If the mice dont lose body condition they may live quite normal lives but always show some of these symtoms.Even lab mice living in sterile conditions succumb to these sorts of things.If they are breeding stock I would advise you to clear them out.