The prescription of contact lenses is different from the prescription of frame glasses, it has a certain calculation formula, every 100 degrees of growth may have a change, it is generally recommended to wear glasses according to the calculation formula. If you wear the same number of glasses as frames, the glasses are overcorrected, and overcorrection can cause a series of uncomfortable reactions, such as myopic eyes with overcorrected contact lenses, which may aggravate the visual fatigue and myopia growth too fast, so it is not recommended that contact lenses and frames wear the same number of degrees. If there are no special circumstances in the eyes, frame eyes are the most suitable for wearing, contact lenses are suitable for special people, such as actors or armed forces, some special needs of patients. In addition, a part of the refractive index patients are also suitable to wear contact eyes, but wear this glasses must be based on scientific calculations, can not wear the same degree and frame glasses.