Well, generally speaking, it will take about 3-4 weeks for your vision to be stable. So you should just be patient. As we know that a cataract is a clouding of the normally clear lens of the eye, which can eventually block the central line of sight and impairs vision. So if there are some problems that occur on it, you should take surgery to heal it, such as the cataract surgery. That is to say Cataract surgery is an operation to remove the clouded lens. On the other hand, after you have taken the surgery, there is still something you should pay attention to, because your eyes are very sensitive and fragile at the recovery period. For example, you should not watch TV or computer in the first week, and also should be careful when you have shower. And also, do not take some exercises which can lead to eye strain. Anyway, just be careful about it.