The specific symptoms of astigmatism overcorrection of twenty-five degrees vary from person to person, as smaller degrees of overcorrection may not cause significant effects, and more sensitive patients may experience discomfort such as decreased vision, dizziness, and nausea. When correcting refractive errors, a small undercorrection or overcorrection within a certain range will generally not have a significant impact on the patient’s vision. If it is beyond the range that the patient can adapt to or the adjustment can compensate for, the patient will experience vision loss, dizziness, nausea, vomiting and other uncomfortable symptoms. Astigmatism overcorrection of 25 degrees because of the lower degree, the patient may not be obvious discomfort symptoms, but the more sensitive patients may experience vision loss, nausea and other uncomfortable symptoms. Astigmatism can lead to vision loss and double vision, generally the more pronounced the astigmatism, the more significantly the patient’s vision is affected. Astigmatism can be corrected with glasses or surgery to improve vision. It is recommended that patients with astigmatism consult a doctor in time to evaluate their condition and follow the doctor’s instructions to choose the appropriate treatment plan.