Ok im not sure what is going on but i started out with chickens about a year ago and just recently started having problems with the eyes i have had a did chicks get a yellow hard substance in there eye lid over there eye and it will grow very large and i have had some just keep one eye shut at all times it may or may not be swollen around the edges but they will act fine and sometimes they get a nasty smell like something dead all over them i started duramycine and some got better and some died but i still have some that will close the eye and some will swell. I have no clue how to post a picture sorry