Well, no, it is safe to take cataract surgery. First, you should know what the cataract is. 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 occur on it, you should take surgery to heal it, such as the cataract surgery. As we know that Cataract surgery is an operation to remove the clouded lens. Also, it is very normal to have this operation in the United States. And according to some research, nearly 3.1 million Americans take the surgery each year. So you should not need to worry about the safety of it. Besides, you should know that it is performed under local anesthesia on an outpatient basis; so many people regard it as one of the safest of all surgeries. But, there are also many tips after you have taken the surgery. For example, you should not watch TV or computer in the first week, and also should be careful when you have shower.