It is very common to have canthus surgery now, so don't worry too much about any dangerous problems. The effect of simple canthotomy is not the best, only the charming operation of double eyelids and fundus can achieve the most perfect effect. South Korea's UcanB Plastic Surgery Hospital is very good at this kind of surgery, and its director Junhao Jin is an expert in this field. You can find out through their website first, or you can consult their customer service.