Normally an 8 year old child should be in orthokeratology, myopia of 125 degrees can already affect the quality of vision, which is not serious in terms of degrees, but requires vigilance. Myopia of 125 diopters in an 8-year-old child is a refractive error that, if not corrected in time, can lead to blurred vision. If not controlled scientifically and effectively, myopia in children will increase rapidly. Therefore, myopia is not serious in terms of the number of diopters and its impact on vision, but it is important to pay attention to the development of myopia in children’s visual acuity. Children with myopia of 125 degrees need to develop good eye habits, avoid eye fatigue, and also need regular outdoor activities to relieve visual fatigue and control myopia progression. It is recommended that children with myopia should seek medical attention to assess their condition and follow the doctor’s instructions for treatment.