Hello, the effect of canthotomy can be maintained permanently. First of all, the open canthus is divided into inner canthus and outer canthus, which need to be designed according to the different proportion of each person's five senses, and then choose the appropriate surgical plan. In general, it is to enlarge the eyes by increasing the width of the eye fissure. At the same time, Asians generally have the problem of epicanthus, and ...