Patients with astigmatism of 100 degrees can be corrected with eyeglasses to improve their vision. Astigmatism can be categorized into regular astigmatism and irregular astigmatism according to the different refractive power of the eye in different meridian, and can also be categorized into simple myopic astigmatism, simple hyperopic astigmatism, compound myopic astigmatism, compound hyperopic astigmatism, and mixed astigmatism based on the position of the two main meridian focusing points in relation to the retina.100 degrees of astigmatism can affect the patient’s visual acuity, and the patient can correct it by wearing glasses. For different astigmatism, astigmatism degree and the degree of impact on normal life, comprehensive choice of treatment programs. The degree of astigmatism that affects vision is determined by the degree and axis of astigmatism, and both the degree and axis of astigmatism need to be corrected in order to achieve the best visual result. It is recommended that patients with astigmatism consult a doctor to evaluate their condition and follow the doctor’s instructions.