Precautions after IOL surgery include paying attention to eye hygiene, reasonable diet and reasonable rest. 1. Pay attention to eye hygiene: after the surgery, you should pay attention to eye hygiene, do not rub your eyes excessively with your hands, and do not put excessive pressure on your eyes to avoid postoperative infection. 2. Reasonable diet: After the operation, you should adjust your diet, avoid stimulating food to avoid aggravation of symptoms, eat a light diet, consume more fresh vegetables and fruits, ensure sufficient water intake, and don’t drink alcohol or smoke. 3. Reasonable rest: After the operation, you should rest reasonably, do not stay up late, ensure sufficient sleep time, scientific and reasonable arrangement of work, and avoid strenuous exercise, do not cough violently, do not do some actions that increase abdominal pressure, do not overdo fitness. After the operation, you should follow the doctor’s instructions, take medication on time, and visit the doctor for regular checkups to prevent complications.