The purpose of IOL implantation in the eye is to improve vision. If blurring occurs after the surgery, it is not normal and you need to seek medical attention to find out the cause of the blurring. IOL implantation is mainly used for vision correction in patients with high myopia or for surgical treatment of cataracts. The purpose of IOL implantation is to improve vision. If the patient experiences blurred vision after the surgery instead, this is not normal and should be examined promptly. For patients with high myopia, blurred vision after surgery is usually caused by transient high intraocular pressure or lens damage to form cataracts. For cataract patients, blurred vision after surgery is usually caused by corneal edema and posterior cataract. It is recommended that when patients experience blurred vision after surgery, they should go to the hospital in time to clarify the cause of the problem and follow the doctor’s instructions for treatment.