Kaleidoscopic vision is most often caused by a type of migraine headache known as a visual or ocular migraine. A visual migrainevisual migraineWhat Is a Scintillating Scotoma? A scotoma is an aura or blind spot that obstructs part of your vision. Scintillating scotomas are blind spots that flicker and waver between light and dark. Scintillating scotomas are typically not permanent.https://www.healthline.com › health › scintillating-scotomaScintillating Scotoma: Causes, Treatment, Risk Factors - Healthline occurs when nerve cells in the part of your brain responsible for vision begin firing erratically. It generally passes in 10 to 30 minutes.May 2, 2018