Well, first, you should know that it can be normal to have flashing lights after you have taken the surgery. At this situation, we can say that your eyes are likely to be infected, in some degree. Generally speaking, there are many reasons which can lead to this symptom. For example, it can be because of different diseases, disorders. But on the other hand, an infection or inflammation that irritates the eyes can also be the cause, when you have a surgery. As we know that after the surgery, your eyes are very sensitive and fragile, and it is easy for your eyes to be infected. When you have not taken care of your eyes, and let them infected, it can lead to flashing eyes. Anyway, just be careful about your eyes. You should not use your hands to touch your eyes frequently. Also, when having a shower, do not let the water get into your eyes, or it can carry some bacteria.
