Myopia or astigmatism up to 75 degrees or 125 degrees after dilating the pupil can affect the patient’s vision, and usually need to need glasses to correct and improve vision. Pupil dilation has no effect on the eye, it means dilating the pupil with a ciliary muscle paralyzing agent and performing an optometry, which is a routine examination in ophthalmology. If, after dilating the pupils, the patient’s myopia or astigmatism is found to be 75 degrees or 125 degrees, it usually affects the patient’s vision, and the patient can correct his or her vision by wearing glasses. However, whether or not to wear glasses is related to the patient’s symptoms. If the patient’s vision is not affected, he or she may not wear glasses for the time being. If the patient’s vision is not affected, not wearing glasses will easily cause eye fatigue, leading to further increase in myopia. At the same time, patients should also pay attention to, in daily life, as little as possible to watch TV, computers, cell phones and other electronic products, and use eye protection lamps, to prevent visual fatigue, do not read, work, etc. in bright light or low light. It is recommended that patients with refractive error should consult a doctor in a timely manner to assess their condition and follow the doctor’s instructions for treatment.