Eye crusted over/mass growing

[Buddy]

Could it be a bad case of pox? I was doing some research and this little guy's eye looks similar...

https://www.facebook.com/PDRSG01/posts/2253822091320109

It says: Here is a list of the signs and symptoms of the Squirrel Pox Virus.
Skin Ulcers.
Lesions and scabs.
Swelling and discharge from the lesions/scabs near the eyes, mouth, feet and genitalia.
Lethargic and shivering.

Feel so bad for her...