There is no method to restore normal eyesight in one move. According to the different causes of eyesight blurring, we need to choose prescription glasses or surgery to deal with it in a targeted way. The causes of blurred vision are varied, and the most common causes of vision loss in children and teenagers are myopia, astigmatism and other refractive errors, which can be corrected by prescription lenses or refractive surgery in adulthood. The main cause of blurred vision in the elderly is age-related cataracts, and the clouding of the lens caused by cataracts can be improved by ultrasonic emulsification combined with IOL implantation. Fundus diseases such as retinal detachment and age-related macular degeneration can also cause blurred vision. When sudden or progressive vision loss occurs, it is necessary to go to the ophthalmology department as soon as possible, and after completing the slit-lamp microscopy, fundus photography and other auxiliary examinations, vitrectomy, retinal laser photocoagulation or coagulation, and other therapeutic options can be selected according to the cause of the disease. If you have blurred eyes and cannot get relief from rest, it is recommended that you consult a doctor to avoid delaying your condition.