She has suffered an knee scrape and maybe twisted her foot,with the first aid kit you can clean the possible blood and get the cloth to secure he foot and use the phone to call the hospital or 911 and wait and comfort your friend into the medical people arrive.
You would go to an ophthalmologist (eye doctor).
1. Adolescent Nutrition 2. Nutrition Disorders - prevention and control 3. Feeding behavior 4. Adolescent 5. Review literature I. Delisle, Helene