Eyes are the bright window of the soul, a pair of beautiful eyes are more vivid and evocative, many beauty seekers will choose double eyelid surgery to add points for themselves. But when doing double eyelid, why would the doctor recommend doing an eye opening? What is an eye opening again? There are two reasons why you need to open the eye angle 1. The inner canthus is a vertical skin crease in front of the inner canthus, which hides the inner canthus, making the angle of the inner canthus smaller than without the inner canthus, it also blocks part of the field of vision, so that people with double faces can only form a “half double”, which affects the beauty of the eye. All Asians have some canthus, but it varies in severity. It will cover the inner part of the eye and make it appear smaller. The inner canthus is divided into different degrees 2, eye spacing is wider eye spacing is the distance between the two eyes, the normal eye spacing should be the length of one eye, too long or too short is not necessarily a big problem Three courts and five eyes is a more standard ratio The so-called three courts are from top to bottom: hairline to the eyebrow, eyebrow to the tip of the nose, the tip of the nose to the tip of the chin to achieve three equal parts; five eyes refers to the face from left to right five equal parts, each first part relative to the The width of one eye, the width of the two eyes and the eye spacing are equal. The eye opening surgery is designed according to the different skin patterns of each candidate’s inner canthus, and the Mongolian wrinkles are removed along the designed line to the inner eye, followed by fine suturing in a certain direction, and if necessary, combined with the correction of inner canthus at the same time, so that the eyes become larger and more lively.