Blurred vision after drinking may be associated with causing disorders of the blood vessels, nervous system, blood pressure, blood sugar and so on. Drinking alcohol can cause the expansion of blood vessels, which leads to increased red blood, increased secretion, edema and other manifestations of the eye surface, which can affect the normal vision, resulting in poor vision. Drinking alcohol can also cause temporary paralysis of the nervous system, resulting in decreased visual ability, which can be recovered after sobriety. In addition, the existence of hypertension, high blood sugar and other underlying diseases, after drinking alcohol can cause blood sugar, blood pressure disorders, thereby affecting the normal function of the eyes, resulting in blurred vision. Patients who have trouble seeing after drinking alcohol are advised to go to the hospital in time and follow the doctor’s instructions for treatment if they can’t be relieved by resting.