I would get the eyes cleaned up with saline or water, and try to remove the pus form inside the eye socket. That may be from a respiratory sinus infection, and it needs to come out. Get some antibiotic ointment, such as Terramycin from a feed store, or plain Neosporin or Triple Antibiotic...
Here is @Armandothemanchick ’s other thread:
https://www.backyardchickens.com/threads/chicken-needa-help-looks-like-favus-but.1334564/
And another:
https://www.backyardchickens.com/threads/chicken-needs-help-idk-whats-wrong-with-it.1333540/