High myopia and astigmatism will have a very serious impact on vision, and it is necessary to correct vision early through a variety of optical instruments to prevent the emergence of eye fatigue, which mainly includes the following methods: first, wearing frame glasses, which is the most classic method, and the current application is also very much, the price is cheaper, and it is very convenient to wear; second, corneal contact lenses, which is also commonly known as the Secondly, corneal contact lenses, commonly known as “contact lenses”, are divided into soft corneal contact lenses and hard corneal contact lenses according to different materials, in which hard corneal contact lenses are also called keratoplasty lenses, commonly known as “ok lenses”, which can effectively slow down the development of myopia, and are currently used very much in adolescents; thirdly, wearing frames. Thirdly, refractive surgery can also be considered in adulthood, including corneal refractive surgery and intraocular refractive surgery.