Help! Duck with eye shut and funny breathing :(

[rainplace]

Could someone who has knowledge about ducks please hit up the thread below and help out. I just don't know enough to be much more helpful.

https://www.backyardchickens.com/forum/viewtopic.php?id=271960

 

[Shadowhills Farm]

^That's the thread I started and we would greatly appreciate it if someone would help us out. Rainplace and duckluck have been helping tremendously with everything they know.