This condition is usually a manifestation of myopia. As the degree of myopia increases, the length of the eye is gradually lengthening, which leads to blurred vision. There is no way to restore this condition to normal again because it is an irreversible process, and the greater the degree of myopia, the longer the eye axis will be, so in order to avoid this condition becoming more and more serious, you must maintain reasonable eye habits in general. If you have significant myopia, you should wear glasses early to maintain clear visual quality and avoid eye fatigue. In addition, for myopia of 600 degrees or more, regular fundus examinations must be done to clarify whether there is high myopia fundus pathology, early detection of problems and early intervention, only then can serious damage be avoided.