You can find Vitamin E and B-Complex at drugs stores or Wal-Mart. Sometimes I've found B-Complex at the Dollar Store as well.
If you aren't able to get the vitamins, then you can give egg, tuna, sunflower seed or a little beef to help with those vitamins. Not all at once of course:) Tuna...
Poor thing!
I would keep the wound moist with triple antibiotic ointment. You can put triple antibiotic ointment around (and in) the eye if needed. Or you can find Terramycin eye ointment at stores like TSC. Any pus or signs of discharge from the eyes?
Since she's suffered head and neck...