A myopia of one hundred degrees does not require glasses if it is pseudomyopia, but it does if it is true myopia. Myopia is categorized into pseudomyopia and true myopia, and requires a dilated eye examination to determine whether it is true myopia or pseudomyopia. If one hundred degrees of myopia is the result of a direct optometry and the myopia disappears after dilating the pupils, it means that it is pseudomyopia, in which case glasses are not needed. If the pupil examination, the results show myopia of one hundred degrees, it is true myopia, then the need for glasses, if not wearing glasses, the patient will squint at a distance, easy to visual fatigue, myopia will increase very quickly, and there is a possibility of astigmatism. Therefore, myopia of one hundred degrees need to wear glasses or not, you need to go to a regular hospital ophthalmology, according to the pupil dilated optometry, follow the doctor’s instructions to decide.