How many degrees of myopia can not do laser surgery

Laser surgery methods vary, and the requirements for myopia are different.

Excimer laser refractive keratectomy is a laser surgery method. Generally, myopia exceeds 700 degrees, and surgery cannot be performed. Femtosecond laser flap + excimer laser in situ keratomileusis is a relatively accurate laser surgery method. Generally, myopia exceeds 1200 degrees and this method is not suitable. Small incision femtosecond laser lens ablation is a laser surgery method with relatively small incision. Generally, myopia below 50 degrees or higher than 1000 degrees cannot be performed.