1.What are the reasons for the formation of under-eye bags? Who are prone to eye bags? A: Mainly the orbital fat outward herniation, the lower lid skin, orbicularis muscle relaxation results. People who are prone to under-eye bags: those with genetic factors, those who have irregular life and often stay up late. 2.What are the methods to get rid of under-eye bags? What are the indications of each? What are the advantages and disadvantages? A: There are internal and external incisions Internal incision: suitable for people with only fat protrusion and no obvious skin laxity, mainly for young people, the advantage is that there is no external skin incision, the disadvantage is that the lower lid skin and muscle cannot be tightened; external incision: suitable for middle-aged and elderly people with varying degrees of lower lid fat and skin aging, the advantage is that there can be a comprehensive correction of the lower lid. The disadvantage is that there is an early cut in the skin and there is a mild ectropion of the lower lid in the early postoperative period. 3. What are the causes of droopy eyelids? What are the manifestations and types? A: The causes can be divided into 4 categories: 1. Tendinous. This is usually seen in adults and is often caused by trauma, where the levator aponeurosis breaks away from the lid attachment point. 2. Myogenic. This is the most common form of congenital ptosis, accounting for 75% of patients. 3. neurogenic. Such as myasthenia gravis, myotonic dystrophy, chronic progressive extraocular muscle paralysis 4. Mechanical. 4, eyebrow plastic surgery is also part of oculoplastic category? What are the eyebrow plastic surgery? What are the main problems to solve? A: Eyebrow-eye is an integral cosmetic unit, eyebrow plastic surgery belongs to the category of oculoplastics. The drooping eyebrows can cause the eyelids to sag, and the eyebrow-eye distance is an important reference for upper eyelid surgery. Eyebrow surgery includes: brow cut (to solve bad eyebrows), upper eyebrow lift (to solve laxity of both eyebrows and eyes), and lower eyebrow cut upper eyelid correction (to solve laxity of upper lids).