I have a sick hen. I remember reading a post about a hen with these same symptoms, but I can't remember what it was. For several days I would come into the coop and she would just be sitting on the roost with her eyes closed. If they were open they looked watery. She has a pale look to her head. I have her isolated and am keeping an eye on her. She just stands there looking pitiful with her eyes closed most of the time. Any input would be appreciated.