Well, it will just take about one week for the blurred vision to recover. At this period, you should pay more attention to eye infection. First, you should know that blurry vision is can be caused by the bacteria, and other allergies. And generally speaking, when your eyes are infected by some viruses, your eyes are likely to get eye infection. In some cases, your blurry vision can occur too. And after the eye surgery, it is more possible to have eye infection, leading to blurred vision. To treat it, you can use some eye drops, and eye patch can be used too. And then it will recover in one week.