Well, yes, after cataract surgery, it is possible to have double vision. And it is normal to have double vision after the cataract surgery. Cataract surgery involves the removal of a lens, which is no longer operating properly and replacement with a prosthetic one. Of course, there are a few complications of cataract surgery, such as the double vision, because your eyes become sensitive and fragile. But on the other hand, it is very normal to have this operation in the United States. So you should worry about it. Just do what doctor has told you. Also, there are also many tips after you have taken the surgery. For example, you should not watch TV or computer in the first week, and also should be careful when you have shower.