Ortho-K lenses can be worn by adults and generally achieve the goal of wearing them at night and removing them during the day. Ortho-K lenses, also called keratoplasty lenses, are a type of rigid gas permeable contact lenses. It is mainly used to flatten the cornea and reduce the curvature of the cornea to lower the degree of myopia with the help of the pressure effect of the eyelid during sleep at night. Lenses are worn at night and lens removal can be achieved during the day. Wearing keratoplasty lenses is not the same as wearing ordinary contact lenses, so it is recommended that patients can go to regular professional hospitals to find a professional doctor to choose the right glasses according to the patient’s degree of myopia, in order to ensure that a certain effect can be achieved. Pay attention to the correct wearing and care after the prescription of glasses. Usually pay attention to eye hygiene, avoid long-term contact with electronic products.