Blurred vision after pterygium surgery may be caused by recurrence of pterygium and may be related to secondary infection of the wound, which can be treated by secondary surgery and medication. 1. Secondary surgery: when some patients choose surgical treatment, pterygium recurs after surgery, patients may have blurred vision, patients should consult regular hospitals in time and undergo secondary surgery to eliminate pterygium tissues so as to improve patients’ vision. 2. Medication: Blurred vision after surgery may be caused by secondary bacterial infection. Patients can follow the doctor’s instructions to use anti-infective medication, such as tobramycin eye drops, levofloxacin eye drops, etc., to control the inflammation, thus improving the patient’s vision. It is recommended to follow the doctor’s instructions for postoperative care of pterygium, regular checkups, and timely consultation after discomfort occurs.