Blueberry tablets can not be used for myopia treatment, and there is no role. Once myopia occurs in the eyes, it is an irreversible process, and there is no way to return to normal after it occurs, but only through a variety of other optical correction methods to improve the visual acuity to normal, to be able to meet the needs of normal life and work, and to maintain a clear quality of vision. There are three main methods of correction: first, frame glasses; second, corneal contact lenses, commonly known as contact lenses; and third, surgical treatment, including excimer laser surgery, femtosecond laser surgery or intraocular refractive surgery. Apart from these three methods, there is no other conservative treatment that can cure myopia or make myopia lower. Any method that publicizes the availability of a cure for myopia has no scientific basis, and it is recommended not to believe in it blindly.