The normal standard of visual acuity for an 8 year old child can be 1.0 or above in both eyes. Therefore, if an 8 year old child’s visual acuity is only 0.6, he/she is below the normal level of visual acuity, which is an abnormal condition and may be caused by myopia. When an 8-year-old child has a visual acuity of 0.6, it is first necessary to clarify whether the condition is true myopia or pseudomyopia, and then take appropriate measures to treat the condition. For the prolonged use of the eyes caused by eye ciliary muscle spasm caused by pseudomyopia, you can rest and relax both eyes or under the guidance of a doctor to use atropine, tropicamide and other eye drops to dilate the pupil so that the vision to return to normal. If the child’s vision is 0.6 due to true myopia, after evaluation by the doctor, he or she can choose the appropriate lens to correct the myopia and achieve the effect of improving his or her vision. In addition, glaucoma and cataracts can also cause vision loss, and lens correction cannot improve vision, further examination is required. It is recommended that patients with vision loss should consult a doctor in time to assess their condition and follow the doctor’s instructions for treatment.