1, open the inner corner of the eye: the eyes are too small to be corrected.

2. Out of the corner of the eye: the eye banner is short, even double eyelid surgery can't completely improve it, or the end of the eye is too upturned, giving people a fierce impression.

Second, the surgical location is different.

1, open the inner corner: the position of the inner corner.

2. Outer corner of the eye: the position of the back corner of the eye.

Third, the surgical site is different.

1, opening the inner canthus: When designing the operation of opening the inner canthus, we must consider the direction of tension and choose the operation method according to the direction; The innermost corner of the corner of the eye should not exceed the vertical line of the brow bone, otherwise the distance between the eyes will be too close; Tears are exposed at most 2/3, otherwise the eyes will appear "without god"; It will be more natural to design the inner canthus angle slightly lower than the horizontal line of the long axis of the eye.

2. Outer canthus: outer canthus plasty, Aa is fixed in the actual outer canthus, and the new outer canthus is fixed at point B, which is 4 ~ 6cm； away from the actual outer canthus; Ammon lateral canthoplasty, the upper and lower parts are peeled off to the vault, and the peeling range should include the whole lateral canthus; There is no trace on the outer canthus, which changes the defect that the outer canthus will leave obvious surgical scars in the past, and is designed according to the different skin lines of each person.

Baidu encyclopedia-outer canthus

Baidu Encyclopedia-Open the inner corner of the eye