Well, generally speaking, in the first several weeks after the surgery, you are not supposed to swim. And it can be dangerous for your eyes. As we know that after the eye surgery, your eyes can be sensitive and very fragile, so it can be hurt when you have the swimming. For example, when you have swimming in the water, it can make many viruses invade into your eyes, and it can lead to infection to your eyes. In some cases, it can also cause serious eye diseases, so just be careful after the surgery. Also, if you use your eyes too much, that will lead to eye strain. And in some cases, it can be dangerous. So you should follow the things the doctor has told you. Besides, For example, you should avoid eye injuries by wearing a protective shield at night and with naps until you are advised by your doctor. Also, you should remember not sleep on the side of the operated eye for the first night.