I remember my sister used to have frequent nosebleeds and she would bleed from her eyes. She had a deformed membrane in her nose that caused this. She had it caughterized(not sure on the spelling) and it fxed the problem!! She's nearly 26 and no problems since.
The reason she bled from the eyes is that there was a bigger volume of blood than could come out of her nose for some reason. It might be that she has problems with her nasal passages and sinuses, but as londres said get it looked at NOW!
She needs to be seen by a physician asap about this; like emergent care.