I would get some Terramycin eye ointment from Tractor Supply (you may need to ask for it) and after cleaning the eyes with saline, apply the ointment twice a day to prevent a bacterial eye infection. Is the ear swollen? It really looks like pox to me. That is a virus transmitted by mosquitoes...
Fowl pox? Here is a link to read:
https://www.backyardchickens.com/a/avian-pox-how-to-treat-your-chickens-for-avian-pox
http://www.thepoultrysite.com/publications/6/diseases-of-poultry/195/fowl-pox/
Most times swelling around the eye means a respiratory disease--MG (CRD), coryza, ILT, ect. Look for clear bubbles inside the eye, nasal drainage, eye drainage or crusting, sneezing,and noisy gurgling while breathing. There may only be one symptom. She could have a cyst too. Here is a link...