Well, first, you should know that strabismus surgery is related to the alteration of the length of eye muscles, so the eyes are in alignment. By taking this surgery, it can shorten one or more of these muscles to reline the eyeball. In most cases, this surgery is done in children under general anesthesia. But on the other hand, this type of anesthesia in all cases takes away any pain. For the side effects, after the surgery, the eyes can be a bit sore but pain medication is rarely needed. So you should not need to be too worried about it. Also, you should know that all surgery carries risks. For strabismus surgery, the main risks are under correction and overcorrection. And there are very small risks of infection, bleeding and excessive scarring. So after the after surgery, eyes are very sensitive and fragile, you should take some measures to avoid the infection. For example, you should avoid eye injuries by wearing a protective shield at night and with naps until you are advised by your doctor. And, also should be careful when you have shower, or the water will make your eyes infected.
