There are many causes of vision loss in children, which are corrected and treated according to the different causes. Correcting children’s vision loss requires correcting bad eye habits, correcting refractive errors, and treating primary diseases. 1. Correcting bad eye habits: If vision loss occurs due to visual fatigue caused by bad eye habits, correct bad eye habits, read and write with proper sitting posture, avoiding too strong or too dark light; try to minimize the use of cell phones, computers and other electronic products; pay attention to increase outdoor activities. 2. Correct refractive errors: If vision loss is caused by refractive errors such as myopia, hyperopia, astigmatism, etc., you should follow the doctor’s instructions to wear glasses with the right prescription to correct them, so as to avoid further deepening of refractive errors. 3. Treatment of primary disease: Keratitis, crystalline lesions, vitreous lesions, retinopathy, etc. may lead to vision loss, according to the situation should be carefully examined, and actively treat the primary disease, in order to restore vision as soon as possible. The occurrence of vision loss in children should not be ignored, and should go to the ophthalmology department for active examination and targeted treatment.