I never really experience "double" vision. I do however experience:

Up close things get weird. Kind of blurry, it is not like I see 2 pens (when I look at 1), but it's more like I see 1,5 pens. And they are overlapping. I experience my double vision mor as a problem as noy being able to focus.

I also have some problems with lights, if it's too bright my focus gets weird.

What I exprience most with my eyesight, is something my doctors say isn't caused by MG. It's tunnelvision. I only experience this when I am tired / weak. When I look at the closet in my bedroom, I know (like, in my brain) that the closed is 10 feet away. But my eyes are fooling me, and give my brain the constant message that my closed it's much closer, so I close I wouod be able to touch.

So... i guess problems with eyesight caused by MG aren't as simple as "seeing 2 instead of 1" (?)