4 weeks old toddler vision 4.7, not normal, belongs to the low vision, 4 weeks old toddler vision 4.7 should be treated symptomatically. 4 weeks old toddler vision normal range should be around 4.9, 4.7 belongs to the low vision situation, 4 weeks old toddler vision 4.7 may be refractive error, accompanied by amblyopia, strabismus, or the existence of congenital eye diseases, need to do vision examination, dilated pupil optometry, etc., to determine the cause of 4 weeks old toddler low vision. If your 4-week-old toddler’s eyesight is 4.7, you can improve it by taking into account the actual situation. If your toddler is nearsighted, you can wear frames with the right prescription to improve it; if your toddler is amblyopic, you need to strengthen the vision training to help improve your eyesight, and so on. Parents should take their children to the ophthalmology department of a regular hospital if their 4-week-old toddler has a visual acuity of 4.7.