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.
The most probable cause for your symptoms of visual disturbances is the PV itself. The visual disturbance and headache are accompaniments of the conditions.
Regards