2. According to the elasticity and relaxation degree of the upper eyelid skin, it can be divided into three types. 1. Positive force type: upper eyelid skin has no relaxation, good elasticity and moderate subcutaneous fat filling, which is more common in young people; 2. Weak type: the upper eyelid skin is slack, with poor elasticity and scarce subcutaneous fat, which is more common in middle-aged and elderly people; 3. Super-force type: the eyelid skin is tense and bright, and the fat at this moment is over-filled and swollen, commonly known as "puffy eyes" and "puffy eyes".
3. Generally speaking, anyone who is born with a single eyelid and requires a double eyelid can be a double eyelid surgery as long as he has no serious visceral disease and normal mind. People with long eye fissure, thin eyelid skin and high nose bridge have good surgical effect.
4. If one eyelid is a double eyelid and the other is a single eyelid, the operation can make both sides symmetrical on the basis of one side of the double eyelid. Some people's double eyelids are not obvious when they open their eyes, which is called "invisible double eyelids". If you perform surgery, you can form wider double eyelids, and the effect is often good.
5, some middle-aged and elderly people, the upper eyelid skin drooping, often lack of beauty, but also affect vision, often with double eyelids. Being a double eyelid surgery can make your eyes young, reduce discomfort and improve your eyesight.
6. Some special eye types, such as narrow eyes, squint eyes, triangular eyes, large and small eyes and splayed eyes, can be corrected by surgery. For people with low nose bridge, wide eye distance, small eye fissure and single eyelid, double eyelid surgery and rhinoplasty can greatly improve their appearance. Double eyelid surgery has been done before, but the effect is not satisfactory, or the double eyelid line disappears, so you can have another operation. Some eye diseases, such as "ciliary entropion" and ptosis, can do double eyelid surgery at the same time to achieve dual purposes.
7. The above operations are generally suitable for people over 16 years old. For children, in addition to the above diseases, generally don't do double eyelid surgery.