Nine-year-old vision 0.8 is not normal, nine-year-old vision 0.8 need to pay attention to check and treat. Nine-year-old child eye vision has been well developed, can reach the standard of adults, both eyes naked visual acuity should be more than 1.0, nine-year-old child visual acuity 0.8 is low, belongs to the abnormal situation, parents need to figure out the reason for the child’s vision loss. Nine-year-old child vision 0.8, the child may suffer from myopia, hyperopia, amblyopia, astigmatism and other diseases, the need for astigmatism pupil examination and other professional examination, to determine the cause of the child’s vision loss and targeted treatment. Usually try to avoid children staring at cell phones, computers and other electronic products for a long time, correct the child’s wrong posture and bad eye habits. Nine-year-old children repeatedly measured vision is 0.8, parents should take their children to the hospital ophthalmology examination.