Patients with ICL lens implantation can generally use it for life as long as the eye has not suffered a severe traumatic blow, the IOL has not shifted, and there is no inflammatory reaction. ICL lens implantation, also known as posterior chamber IOL implantation in crystalline eyes, is a type of intraocular refractive surgery that involves the implantation of an artificial lens in the case of crystalline eyes. The procedure is not limited by the thickness of the cornea and has a wide range of correction, and the patient has better visual quality, higher stability and reversibility. The procedure is suitable for patients with 200 to 2500 degrees of myopia, 100 to 500 degrees of astigmatism, 100 to 1000 degrees of hyperopia, and an anterior chamber depth ≥ 2.8 mm. It is usually available for life if the patient has no postoperative displacement or inflammation. In addition, postoperative patients should pay attention to eye hygiene, avoid close eye use and excessive eye use, avoid eye injuries, and also strictly follow the doctor’s requirements for eye use and regular review.