The visual acuity is 4.3 on one side and 4.9 on the other. It is recommended to determine the cause of the problem before considering treatment. If it is an eye disease, it needs to be treated as soon as possible. If eye disease is excluded, refractive error can be corrected by wearing glasses, surgical treatment and daily care. 1. Wearing glasses: When the patient has a visual acuity of 4.3 on one side and 4.9 on the other side, it is recommended to go to the hospital in time for an optometry to determine whether it is myopia, astigmatism, etc., and then have the glasses fitted by a professional doctor for treatment. 2. Surgery: Patients can also go to the hospital, complete the relevant examinations, and choose corneal refractive surgery, IOL implantation surgery, etc. for treatment according to their needs. 3. Daily care: patients need to pay attention to eye habits, reduce the use of electronic products, pay attention to eye rest, you can do eye exercises, often look into the distance, etc. to relieve eye fatigue. When the patient’s vision is 4.3 on one side and 4.9 on the other side, it is recommended to go to the hospital in time for diagnosis and reasonable treatment by professional doctors.