4-year-old children looking at the cell phone eye blindness, need to consider acute glaucoma attack or retinal detachment and other conditions, need to reduce intraocular pressure or surgical treatment. 1. Acute glaucoma attack: 4-year-old children, their own eye tissue and various functions are not well developed, if the long-term use of electronic products, may be in the strong light stimulation and cause acute glaucoma attack, timely reduction of intraocular pressure can effectively alleviate the symptoms of such videos, you can comply with the doctor’s instructions to use the lowering of intraocular pressure ophthalmic solution for the eye, such as vinpocetine, acetazolamide, and so on. 2. Retinal detachment: long-term use of electronic products and lead to acute detachment of children’s retina, can also cause blindness symptoms. Retinal detachment usually requires surgery to restore vision. If the detachment is large, surgery can only restore partial vision, not normal vision. After a child develops blindness due to the use of electronic products, he or she should immediately go to the hospital for an examination of the cause of the disease and choose the appropriate treatment under the guidance of the doctor. The most important thing is to help children develop good eye habits and avoid prolonged use of electronic products.