Blurred vision can be characterized by unclear vision and loss of vision. Blurred vision can be caused by a variety of ophthalmic diseases, such as cataract, myopia, hyperopia, vitreous hemorrhage, etc. It mainly manifests itself in unclear vision, vision loss, etc., and in the long run, it may also cause blindness. Blurred vision should be treated, such as cataract can be treated by surgery, myopia, hyperopia can be corrected by glasses or surgical treatment. To protect your eyes, do not read books and electronic products for a long time, do eye exercises regularly, avoid rubbing your eyes with dirty hands, and take vitamin A supplements to prevent night blindness and dry eyes. Blurred vision, should go to the hospital to identify the cause, targeted treatment or correction.