try feeding her some scrambled eggs. if she's barely eating giving her corn isn't going to provide her with the protein she needs in order to heal. if you can't get her an antibiotic for her eyes you can use boric acid diluted 1 tsp. to 1 cup in bottled water to rinse some of the gunk away. just...
Welcome, all the way from Texas!
Sorry to hear about your birds.
The best food for feeding her is gonna be some scrambled or hard boiled eggs. If you're going to attempt to force feed her just be extra careful that no food goes down her trachea, I would really try to get her to eat on her own...