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Hi, Dr. Stan here to help. Have you had cataract surgery? Since no headaches that eliminates migraine. Scotomata are fairly common after this surgery. The most common causes of scotoma: Glaucoma, blockage of the retinal veins in the eye, stroke (known or unknown), severe vitamin deficiency. If you haven't had your eyes checked recently, now is a good time to do so. I am here to answer any additional questions you may have. Please leave a positive rating of 3-5 stars. This is how I am credited for my response. Thank you.
The cataracts aren't the cause. You could have had a stroke and not known about it, which is quite common. We find out about it when we have a MRI or CT scan of the head for another reason. Since you have a history of cataract formation 2 years ago, it is time to go back to the eye doctor for reevaluation.