Do you have to stay with that PCP??
Can you search around for another that is more open to helping?

Have they specifically checked for extra cervical ribs? even small or partial can cause trouble.
Sometimes they are missed or not actually checked for by drs or techs..or imaging misses them..

[Her right shoulder is obviously higher than the left. Her eyesight has decreased, she was tested at around 20/60 and is scheduled with an Opthamologist. She has constant nausea, flushed cheeks, and sharp twinges of pain in jaw, ears, leg, and head.]

perhaps upper cervical chiropractic might help- sometimes during birth a baby can sustain a slight neck/shoulder injury to the area-
http://orthoinfo.aaos.org/topic.cfm?topic=a00077
www.upcspine.com
SIGN / SYMPTOM CHECKLIST-
http://www.upcspine.com/self.htm
If possible you can always go on your own for an eval of her C1 C2.
Many will give cash discount as billing ins is an added cost & time for the office.