The patient’s ability to see clearly after drinking alcohol may be related to changes in the osmotic pressure of the lens and nerve damage. Large amounts of alcohol intake can cause drastic changes in blood pressure and blood sugar in the body, which may lead to a sharp rise in blood pressure and blood sugar. As the lens plays a metabolic role, the osmotic pressure within the lens changes, causing patients to experience blurred vision, difficulty seeing, and other uncomfortable manifestations. This situation generally wait for alcohol metabolism, blood pressure and blood sugar stabilization, vision will gradually improve. If the concentration of alcohol reaches a certain level after the patient has ingested a large amount of alcohol, it may lead to nerve damage, thus causing the patient’s vision to be blurred. In this state, the patient’s vision may recover as the alcohol concentration slowly decreases. It is recommended that children who have difficulty seeing after drinking alcohol should seek medical attention to assess their condition and follow medical advice.