Can migraine auras cause gradual, loss of vision over time and affect blind spots?
Full Question: I just wanted to know if migraines can cause blind spots to enlargen, and cause gradual blindness. The reason I ask Is because I find my blind spots getting bigger, and I really have not looked into this matter till now. When I have had my chronic cluster migraines it took up to 2 and a half days before full vision came back. Can you please help? Carmen Answer: Dear Carmen; Your question doesn’t make your background very clear. What kind of blind spots are you talking about? Permanent blind spots in your field of vision? During a Migraine, the intraocular pressure (pressure within the eye) is increased. Over time, repeated Migraine attacks can, in some patients, damage the optic nerve, resulting in glaucoma. There is a form of glaucoma called low-tension glaucoma in which the optic nerve is damaged even though the intraocular pressure is usually within “normal” limits. Some glaucoma experts theorize that this form of glaucoma can be caused by long periods of frequent Mig