Well, yes, I have to tell that it is normal to have double vision after the eye surgery. And for double vision, it is a condition in which, whenever you look at any object, you see its two images rather than one. And also, it can be dangerous when you have driving. And because you have taken surgery, you may be infected. And in common, after eye surgery, it is easy to get infection. And then, double vision occurs because of the eye infection. For your situation, it can disappear in several days, if you take some ways to avoid the eye infection. Also, you can just go and see an eye doctor so that he can give you some advices.