with migraines, flashes of light at the periphery of the visual field can occur, but floaters are rarely neurologic symptoms (
eye not from brain
problems). However, it is important to know that topiramate can cause glaucoma. Therefore, evaluation by an opthalmologist (eye doctor) to exclude this as a cause for your symptoms, and to investigate other causes for your vision symptoms, is recommended. Follow-up with your neurologist is also recommended.