It's from the clear fluid over the eye becoming thicker than it should be. It feels like you are looking through saran wrap.

This is the what causes all Fibro symptoms. All the clear fluid (what you think of as lymph) throughout the body is thicker than it should be.

Vision clears up when you get the rest back to normal.

Have you checked your saliva pH?

For cold sores - keep anything away from your skin that has dirt or skin oil on it. Change your pillowcases more often, wash your hair more often, winter jackets and sweaters, etc.