After drinking alcohol, blurred eyes, can not see clearly, the possible cases are elevated blood pressure and nerve damage, as follows: First, elevated blood pressure: after a large intake of alcohol, causing rapid changes in blood pressure and blood sugar in the body, may lead to a sharp rise in blood pressure, blood sugar also rose sharply, which will cause blurred vision in the eyes, mainly the lens metabolism, the osmotic pressure in the lens has changed, causing a vision A sharp decrease in vision and blurred vision. In this case, after the alcohol is completely metabolized and the blood pressure and blood sugar are stabilized, the eyesight will slowly improve. It is important to be vigilant and go to the hospital in time for whole body blood pressure measurement and blood sugar monitoring to clarify the specific changes in blood pressure and blood sugar after drinking. Second, nerve damage: people after drinking alcohol blurred eyes, can not see clearly, it is possible that the body after the intake of alcohol, the concentration reached a certain level. Alcohol can cause nerve damage, which results in confusion, blurred eyes, and inability to see. This state as the concentration of alcohol slowly decreases, vision will return to the previous state, which is a neurological situation, often the patient will also have delirium.