Most eye plastic surgery is performed under local anesthesia, so you can eat before the operation. And eating something properly can also avoid hypoglycemia reactions such as dizziness and discomfort, but be careful not to eat too much.

General Anesthesia For a few operations requiring general anesthesia, no food or drink is allowed 12 hours before operation, and no water is allowed for 4 hours before operation. Generally, fasting begins before operation 1 after 8 pm. You can drink 250-500ml of boiled water or sugar water before going to bed, but you must never eat any other nutritious drinks or solid food. It should be noted that milk is also a solid food and cannot be drunk. If it is the first operation that day, don't drink water or eat any food after getting up in the morning; If it is surgery, you can drink a small amount of boiled water or sugar water 6 hours before surgery.