1 If you signed in to your Surface with a Microsoft account, your mail account is already set up. 2  You can then add other accounts, from Outlook, Gmail, AOL, Yahoo!, and even your work email (Exchange ActiveSync).
Retinal migraine. Retinal migraine (also known as ophthalmic migraine, and ocular migraine) is a retinal disease often accompanied by migraine headache and typically affects only one eye. It is caused by ischaemia or vascular spasm in or behind the affected eye.
Migraines: The exact causes of migraines are unknown. A popular theory is that various triggers cause abnormal brain activity, which in turn causes changes in the blood vessels in the brain. This is called the neurovascular theory.