Welcome to the Migraine and Headaches Forum! This forum is for questions and support regarding migraine and headache issues such as: abdominal
migraines, headaches caused by allergies, cluster headaches,
headaches, headaches in children, migraine headaches, sinus headaches, tension headaches, visual disturbances.
There is a possibility that your daughter is suffering from ocular migraines which can cause blurred vision and headaches. Other possibilities include eye conditions like optic neuritis and CNS diseases like pseudotumor cerebrii where there is swelling of the optic disc along with raised intracranial pressure which can cause headache with blurred vision.
It will also help to know complete medication history. I would suggest you to get her neurological evaluation done as soon as possible. Thanks