Medical vision glasses belong to which grade

Middle and low grade. Medical vision eyeglasses is an enterprise engaged in the special equipment manufacturing industry, the scope of business is optometry, eyeglasses, contact lenses, retail, wholesale, sales of class III medical equipment, in line with the market standard of low-grade, is the middle and low-grade. Medical vision company adhere to the "only scientific methods to protect children's eyes" as the concept, to "dedication to love, pass the light" as the slogan.