I noticed that one of my chicken eye is closed so I ibserved them and they are more that same eye so I am alarmed if thisbis a disease that spread or something else.. some have swellimg face some are almost closing kinda teary eyed loking.Does anyone have this to their chicken?and what did you to treat them...?someone told me to use visine drops is it true to help?or any antibiotic if there is?thank you for any reply.